OT-2026-000029013
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000029013) never changes.
Identity and time
| Publication number | OT-2026-000029013 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7be5-9f4f-733d0c39b3d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029013 |
| Status | PUBLIC |
Content hashes
| Canonical text | c59c0d4646d4c6e92659ced6009a9e03fe49ccf3a1b7ae1427cdc28b47eeec5e |
|---|---|
| Markdown | 9b6b516096ec4d6d53e01900aa512d770934302644dcfa1466282e33b1999764 |
| Publication page | 26ae477fbca4109f9d41ae9751fb72a2e818abd23b609e1e65348d6fde9c86aa |
| Manifest | a872b0e73275e2b78030e91cab21b4f27dc0f5468b86f85d432b3b711344812d |
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 | NST6QA9+jk0MsK/ytrJPHS7lW3XhNFO/tkGjxeVSffBPZTSwoQ2SSch+50rg/hkuNTAlIXhZWCVrhL5MZwjVAQ== |
| 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
| 2026-10-07T20:41:51.199424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013observed 26ae477fbca4109f9d41ae9751fb72a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T20:41:51.060076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013/manifest.jsonobserved a872b0e73275e2b78030e91cab21b4f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:50.806294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013/publication.mdobserved 9b6b516096ec4d6d53e01900aa512d77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:50.606450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013/publication.txtobserved c59c0d4646d4c6e92659ced6009a9e03...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:47.494429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013observed 26ae477fbca4109f9d41ae9751fb72a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:47.441328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013/manifest.jsonobserved a872b0e73275e2b78030e91cab21b4f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:47.371113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013/publication.mdobserved 9b6b516096ec4d6d53e01900aa512d77...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:47.059094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029013/publication.txtobserved c59c0d4646d4c6e92659ced6009a9e03...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 |
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