OT-2026-000050714
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000050714) never changes.
Identity and time
| Publication number | OT-2026-000050714 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7168-8a2a-a9214bbdcdd3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050714 |
| Status | PUBLIC |
Content hashes
| Canonical text | c77a7082ba4e9b9cc9ac2119352e8c30acba4e5c5f48d4adc06dd0b91d3ab553 |
|---|---|
| Markdown | b1b08826409d500ec554a2b38b44ce1ba81aa79915726aebcb4555b70259e956 |
| Publication page | f50ec4ae6d2f5b95c908603be01038ae4a5b13d4df392a39c6373845acb40f19 |
| Manifest | f0462b37b38762854fec99c803dde8bf10f871dc5b58eb8371554af010cb81d2 |
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 | sZZIT9P1wze20vi2V2s9ivtZuNopVklGXWLpi7kL+eCbjbwGzKAuaJxmzBrMibtYJCn3g8rDPwREWuRtWYCqDg== |
| 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
| 2026-09-17T11:00:04.235577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714observed f50ec4ae6d2f5b95c908603be01038ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:04.214442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714observed f50ec4ae6d2f5b95c908603be01038ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.213316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714/manifest.jsonobserved f0462b37b38762854fec99c803dde8bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.195079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714/manifest.jsonobserved f0462b37b38762854fec99c803dde8bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.192958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714/publication.mdobserved b1b08826409d500ec554a2b38b44ce1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.173121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714/publication.txtobserved c77a7082ba4e9b9cc9ac2119352e8c30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.171400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714/publication.mdobserved b1b08826409d500ec554a2b38b44ce1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:04.148071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050714/publication.txtobserved c77a7082ba4e9b9cc9ac2119352e8c30...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. |
|---|