OT-2026-000053377
Publication integrity record
Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000053377) never changes.
Identity and time
| Publication number | OT-2026-000053377 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a8f-78d9-b3c7-fe7d14256149 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053377 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3849316c5fd1f7aaae068e9d1931b4a4c52c289309bd15416a2400cd9eee7d93 |
|---|---|
| Markdown | 3ba2b60d3d44fb3d7b3d3bbfd4016e1b3f1e192b80b4dc8818bf198bff24d324 |
| Publication page | 88636feb5a25e9c1ca047f7619b2f07e5229a1fe7db7292fd3361e0f83c76cfb |
| Manifest | ba55dbe7032d67fdd9f4997169d27bb01862f8bd94f78f486532cf6761c14061 |
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 | UYTxA3rvVyNgS1mzzKQi78iBjqUHR5iRLIpGP98qOK98/fpwYDDsiXbwgvWeUTcIa5z/qtzT8c1UGGVJ2PiIDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:05.816987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053377observed 88636feb5a25e9c1ca047f7619b2f07e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:05.801930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053377/manifest.jsonobserved ba55dbe7032d67fdd9f4997169d27bb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:05.784350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053377/publication.mdobserved 3ba2b60d3d44fb3d7b3d3bbfd4016e1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:05.767416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053377/publication.txtobserved 3849316c5fd1f7aaae068e9d1931b4a4...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. |
|---|