OT-2026-000021498
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000021498) never changes.
Identity and time
| Publication number | OT-2026-000021498 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7716-b02d-c42832465007 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021498 |
| Status | PUBLIC |
Content hashes
| Canonical text | 063c5f0296235a9c865e79ebbc56761d5533f073ec07a3d95c61576ab06a14e9 |
|---|---|
| Markdown | 6210505b0d59968e3ac3aeedf1d452c7f98b8bdf155356963e6d0a8d01df32de |
| Publication page | 32d300efc7a406f21d8a1130da3dbdc5d5f40fec5e93d0a074df110a8d3743b3 |
| Manifest | 1c5fff346b01a96b7aff9daec6b2b7bfc75d864c4568df09d39f3afeea0baa22 |
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 | gizrL5KfbmdtMfcYhkHtEtROhjltWb0Cb+hfkTU8UBxZUh4FDjcHYP1C5MaxmUAjYOG7smJZEVhE0LiOn/HbBw== |
| 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
| 2026-09-17T11:55:24.866149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021498observed 32d300efc7a406f21d8a1130da3dbdc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:24.847219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021498/manifest.jsonobserved 1c5fff346b01a96b7aff9daec6b2b7bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.828993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021498/publication.mdobserved 6210505b0d59968e3ac3aeedf1d452c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.809443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021498/publication.txtobserved 063c5f0296235a9c865e79ebbc56761d...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. |
|---|