OT-2026-000003493
Publication integrity record
Device capable of adhering to a wall surface by suction and treating it
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003493) never changes.
Identity and time
| Publication number | OT-2026-000003493 · never reused |
|---|---|
| Internal UUID | 01a0a6c7-a7ef-7f7e-aef9-7075bf664120 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:34:57.647614Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003493 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4a18ee1f7c299ac748880915897ed451c72f5c83d57d4d3f3a818ae25009103 |
|---|---|
| Markdown | bd9c9f99849a8c51171ddf0013babccd774beecea367f6949beec9a6689ed631 |
| Publication page | 94dfb74f7f13c845e7918f1e1daae8a5b4147402a9cdbccffdd59984e60c5000 |
| Manifest | cd46bb6d8a4ec40156e200765168827326430cdefd67fca06e5a7addddd7ff23 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | tPFV5WckKmRM61byT/3+31UoFl04gl+hIw/r4fUMxZ1NkWz7od6ykX0K9j3BHuw0eQWIusC9g9fxysyeFnmjCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
|---|
Independent retrieval
| 2026-10-13T16:41:17.394135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493observed 94dfb74f7f13c845e7918f1e1daae8a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T16:41:17.291737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493/manifest.jsonobserved cd46bb6d8a4ec40156e2007651688273...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:17.222844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493/publication.mdobserved bd9c9f99849a8c51171ddf0013babccd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:17.107706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493/publication.txtobserved f4a18ee1f7c299ac748880915897ed45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:14.940094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493observed 94dfb74f7f13c845e7918f1e1daae8a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:14.926654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493/manifest.jsonobserved cd46bb6d8a4ec40156e2007651688273...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:14.912715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493/publication.mdobserved bd9c9f99849a8c51171ddf0013babccd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:14.898145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003493/publication.txtobserved f4a18ee1f7c299ac748880915897ed45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|