OT-2026-000003476
Publication integrity record
Vacuum cup construction
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-2026-000003476) never changes.
Identity and time
| Publication number | OT-2026-000003476 · never reused |
|---|---|
| Internal UUID | 01a0a6c5-522b-7dbc-b73f-d6a26bb9ec6b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:32:24.619918Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003476 |
| Status | PUBLIC |
Content hashes
| Canonical text | fdb8b9ec43bc1320a0598b8d8f65eeeaa4fa088ff9ae45ead3e5f3c30f29a22c |
|---|---|
| Markdown | 6d3c53950753b9de59ddf326ace549ff0481e0e95ff84073e52aebdcf230e672 |
| Publication page | d6a1be62024a783a1294f27ca9965c8e482e64b8592c67f492558fcd67d3f5c8 |
| Manifest | a851ba58a9b00dcda37272087b82cabdbe943c0186610989cd11f7f41a934c9a |
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 | +6JA0Xyw13HDFwU/MgEVZ8ATS7NV68+tkNxxyD6LRHWiXtfg8+LeYP/EqE9uqn0uqfXcwrfEaCs3qO9Yr5CsDg== |
| 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
| 2026-09-28T04:23:08.655406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476observed d6a1be62024a783a1294f27ca9965c8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T04:23:08.643048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476/manifest.jsonobserved a851ba58a9b00dcda37272087b82cabd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:08.630194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476/publication.mdobserved 6d3c53950753b9de59ddf326ace549ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:23:08.512507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476/publication.txtobserved fdb8b9ec43bc1320a0598b8d8f65eeea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:07.503062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476observed d6a1be62024a783a1294f27ca9965c8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:07.456406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476/manifest.jsonobserved a851ba58a9b00dcda37272087b82cabd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:07.405581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476/publication.mdobserved 6d3c53950753b9de59ddf326ace549ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:07.264190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003476/publication.txtobserved fdb8b9ec43bc1320a0598b8d8f65eeea...fetched by grabo-systems from 34.44.131.203, 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 |
|---|