THRESHOLD COMPLEX EXPLORATION LOG
Designation / Log ID: 58-C55
Apparent Date/Time: 03 October 2026 / 09:20 (local) — secondary stamp reads 16:47 19 March 1974
Entry Method: Service door marked “C-59 COAT CHECK – CLAIMS”. Exterior clear aperture measures 0.91 m × 2.03 m. Interior aperture measures 0.78 m × 2.18 m on entry and 1.04 m × 1.86 m on exit.
Environmental Baseline
Lighting: fluorescent troffers, color temperature measured at 4100 K. Intensity constant at 180 lux.
Ambient temperature: 21.4 °C. Humidity: 38 %.
Background sound: coat-hook impact at 0.2 Hz. Baseline reading 22 dB.
Air movement: none detected. Barometric pressure 1012.1 hPa on entry; 1018.7 hPa after 4.2 m of travel.
Spatial Observations
Gallery estimated 14 m long by 6.1 m wide by 2.7 m high. Laser measurement returns 21.5 m long by 5.3 m wide by 2.2 m high.
Floor: terrazzo with inlaid claim-line stripes. Stripe width measures 80 mm. Surface remains uniform under repeated contact.
Walls: painted plaster with one counter and one hanger rail. Rail height measures 1680 mm. Surface remains uniform under repeated contact.
Ceiling: acoustic tile with eight troffers. Fixture count remains eight after seven visual inventories.
Repeating motif: every 0.9 m a numbered coat hook occupies the rail. Hook span measures 140 mm. Finish is identical across all units.
Anomalies
Visual inventory of coat hooks returns 48. Physical inventory returns 48. Measured occupied-hook count equals 0 while calculated residual occupancy across the same rail equals 11.
Floor remains level under spirit level. Measured residual ticket stubs on the claim-line edges slope 1.6° toward the outbound wall. Slope reverses after 4 minutes of continuous observation without change in physical orientation.
Posted claims plaque reads 48 HOOKS / 0 CLAIMS. Measured combined counter-lamp current equals 0.0 A. Claim-window lamps remain amber.
Sound of residual coat-hook impact arrives 2.1 seconds after the corresponding surface disturbance is detected. Delay increases by 0.11 s for every additional 1.0 m of distance from the entry door.
Humidity at mid-gallery remains 38 % while residual condensation forms on the counter edge after 6 minutes of observation. Condensation disperses without measurable change in local humidity.
Local magnetic field strength measures 0.5 gauss at floor level and 1.6 gauss at 1.5 m height. Field direction reverses after 7 minutes without change in gallery state.
Ticket stock on the open drawer decreases by 14 over 9 minutes while measured drawer-lock current remains 0.0 A.
Surface of residual condensation on the counter edge exhibits surface tension hold of 1.8 cm against vertical laminate. Hold collapses after 36 seconds without measurable change in fluid volume.
Claim-line stripe migrates 7 mm toward the inbound wall over 5 minutes. Stripe returns to original alignment without measurable change in floor temperature.
Counter height measures 1060 mm on first inventory and 980 mm on second inventory of the same counter. Counter returns to 1060 mm on third inventory without change in wall position.
Hook span measures 140 mm on first inventory and 118 mm on second inventory of the same hook. Hook returns to 140 mm on third inventory without change in rail alignment.
Recorded impact interval equals 5.00 s on the first 12 cycles and 3.40 s on the subsequent 12 cycles. Interval returns to 5.00 s without change in fixture state.
Counter surface temperature measures 21.4 °C. Residual heat print on the same laminate measures 29.8 °C after 5 minutes without measurable change in ambient temperature.
Entity Notes
None observed.
Exit / Continuity Status
Exit achieved through the same service door after 29 minutes of observation. Exterior aperture on exit measures 1.04 m × 1.86 m. Residual ticket stubs on gloves dissipate within 9 minutes of exit. Local magnetic field returns to baseline 0.5 gauss within 12 minutes. No further residual effects recorded.