OT-2026-000015311
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed 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-2026-000015311) never changes.
Identity and time
| Publication number | OT-2026-000015311 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-7c08-9928-ef5ade15897e · 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-2026-000015311 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff9c1e24bb9f19bdb94c1dc88bdf9019c0b4229974096269dd71cc323b5ef608 |
|---|---|
| Markdown | e104069896c00e32f6bc1d0a812d1ebd02a53dc9ca0816fb15b71235f84103ee |
| Publication page | f83334e11b95633a1e17ebe2e53d35f0851db62c4e1c3b423faca70e49d89060 |
| Manifest | ec9354cc4f30918ed31eff12e2b6dec5d425ba5ed7165a3ac8913321ec953b9f |
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 | cZAG87ElH9nfb49ROjNgXxbdetzVL0sXxGZ1yKrOAqn/SB6Qoi0Ku3n1arch4aTLQLQn+eEp9lsDPVdBxFFrAg== |
| 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
| 2026-09-17T12:06:00.267656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015311observed f83334e11b95633a1e17ebe2e53d35f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:00.249141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015311/manifest.jsonobserved ec9354cc4f30918ed31eff12e2b6dec5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:00.229975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015311/publication.mdobserved e104069896c00e32f6bc1d0a812d1ebd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:00.210571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015311/publication.txtobserved ff9c1e24bb9f19bdb94c1dc88bdf9019...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|