OT-2026-000015490
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000015490) never changes.
Identity and time
| Publication number | OT-2026-000015490 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-77aa-a743-88d41316884f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015490 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5b105d2d1e94f37c061748c7d27c4a362ea5cf90dfdf3dbb5618f8e98c225083 |
|---|---|
| Markdown | 4285c4fb82cc590d8a7a29f26c9771c9fad3eb2971d19edc9bb668154162551a |
| Publication page | e785d8bc5b5a98d36f4372af6173dead25cd791899d75a36e730dd7640012307 |
| Manifest | 5156ab291a9c9e8f9106d9acbc6652b4b9c7b6be875a797a8e1d908a0bc88d95 |
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 | jzmbvNjK9ZrAfgaIc6Id7AEiH3TrSQBCTwmLNvQs/25Zdt8ThFkO8CtENyOmnILbtRVAsdbAcAJYILIS8ZngAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-22T04:41:29.856272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490observed e785d8bc5b5a98d36f4372af6173dead...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T04:41:29.790734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490/manifest.jsonobserved 5156ab291a9c9e8f9106d9acbc6652b4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:29.737366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490/publication.mdobserved 4285c4fb82cc590d8a7a29f26c9771c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:41:29.557634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490/publication.txtobserved 5b105d2d1e94f37c061748c7d27c4a36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:07.719359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490observed e785d8bc5b5a98d36f4372af6173dead...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:07.433201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490/manifest.jsonobserved 5156ab291a9c9e8f9106d9acbc6652b4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:07.107659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490/publication.mdobserved 4285c4fb82cc590d8a7a29f26c9771c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:06.827109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015490/publication.txtobserved 5b105d2d1e94f37c061748c7d27c4a36...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 |
|---|