OT-2026-000003303
Publication integrity record
Vacuum lift device
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-2026-000003303) never changes.
Identity and time
| Publication number | OT-2026-000003303 · never reused |
|---|---|
| Internal UUID | 01a0a6ad-3e75-7916-8f74-9bb66d98c0fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:06:06.709648Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003303 |
| Status | PUBLIC |
Content hashes
| Canonical text | c602b8317d08e4287b526a867541d005f598b7ce8db1615c9cdd5a9103583038 |
|---|---|
| Markdown | 55427f5db6c3f36d10bc69e4760bc4935f5c2466664f7043efa4acfa103b604b |
| Publication page | 9e6fcabed75d15911c3ebd8743728163b4bf59c1a43f3670ee224db70d10bd5d |
| Manifest | 6864f7074e549fc8ca6abf7c019a2402917d29b2a8742255a9d7ce5758e8ddca |
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 | crKJCzztpw4jnUVn+kC44NMLNRS/9b+nOKFxX1qWAMtGh8vkuArgYHwZOw1q6zKtN9nm06V05tw1YRrLONFLAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-20T08:42:57.296606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303observed 9e6fcabed75d15911c3ebd8743728163...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-20T08:42:57.164130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303/manifest.jsonobserved 6864f7074e549fc8ca6abf7c019a2402...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:56.899697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303/publication.mdobserved 55427f5db6c3f36d10bc69e4760bc493...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:56.722416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303/publication.txtobserved c602b8317d08e4287b526a867541d005...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:05.979042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303observed 9e6fcabed75d15911c3ebd8743728163...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:05.777243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303/manifest.jsonobserved 6864f7074e549fc8ca6abf7c019a2402...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:05.764156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003303/publication.txtobserved c602b8317d08e4287b526a867541d005...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|