OT-2026-000003144
Publication integrity record
Vacuum lifting 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-2026-000003144) never changes.
Identity and time
| Publication number | OT-2026-000003144 · never reused |
|---|---|
| Internal UUID | 01a0a693-a4b5-727f-973c-f67ec64c58ca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:38:08.949924Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003144 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2fc8a956964fd0f83dd2690bcc76836fa9bded631df9fcad632372aa1123870b |
|---|---|
| Markdown | 4036a8459d2cc29a4d172fbbad5717d9de681afc7273a1395a837a8d3d8efd0b |
| Publication page | 58ee4bb0ba9bcc3f6e24754dfae85e91387ee048efbd8d567462166e737d843a |
| Manifest | 632bbe98f2c8f000b05c84174f1c4faa23654e8462d878a6e7f8a263ab45181e |
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 | qR8hxvgPFE/fjxENn0e6n4/uK+wQaLF1bNWhavCjjXdclG/tkCE0CjiIaTHPQNtb0SxRRB4TZCHIuqsMuSFKCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-26T12:41:05.037994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144observed 58ee4bb0ba9bcc3f6e24754dfae85e91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T12:41:04.933857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144/manifest.jsonobserved 632bbe98f2c8f000b05c84174f1c4faa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:04.885186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144/publication.mdobserved 4036a8459d2cc29a4d172fbbad5717d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:04.747022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144/publication.txtobserved 2fc8a956964fd0f83dd2690bcc76836f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.686884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144observed 58ee4bb0ba9bcc3f6e24754dfae85e91...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.534550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144/manifest.jsonobserved 632bbe98f2c8f000b05c84174f1c4faa...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.521866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003144/publication.txtobserved 2fc8a956964fd0f83dd2690bcc76836f...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 |
|---|