OT-2026-000021502
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-2026-000021502) never changes.
Identity and time
| Publication number | OT-2026-000021502 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7d9e-886d-c2d5cd27a500 · 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-2026-000021502 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ed4e7156e0063e9739b907d803543462f080cde3d07360a739fba5749a3aa7a |
|---|---|
| Markdown | a6013450f800f3da777a8658f112113d6617be4c47af02971a2c79660a357567 |
| Publication page | 4c86543baf35af6895aa57d650a5c7634205199e636089cd249724b860b75c79 |
| Manifest | 357dd31ab67c29639d565cdd8397eae76efd314623ce7f3c52330f09852b3226 |
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 | TpJJNFy8zCY83xAdbiSc12654bsPWz6kNlB3hGHgiFAw3oGMFN7QE6dd7E6pX93Ju+x9tDg/6tIgrKos4d0MDQ== |
| 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
| 2026-09-17T11:54:48.987280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021502observed 4c86543baf35af6895aa57d650a5c763...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:48.969558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021502/manifest.jsonobserved 357dd31ab67c29639d565cdd8397eae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.950016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021502/publication.mdobserved a6013450f800f3da777a8658f112113d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.931052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021502/publication.txtobserved 2ed4e7156e0063e9739b907d80354346...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. |
|---|