OT-2026-000052974
Publication integrity record
Foam pad vacuum gripper, plant vacuum 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-2026-000052974) never changes.
Identity and time
| Publication number | OT-2026-000052974 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7c81-8407-841880a0ca34 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052974 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc669b8acf581af1703916e455412a673426c4b40eae55ba2d55a8182b2343c9 |
|---|---|
| Markdown | bcfea562442e725db6c289ffa27ba5fd1d733a9c3621348af752a36f15c2994f |
| Publication page | 23996c5546d4d2f007c8f2328ec2d9045a9e824eab407ca5c9f9ae3e201b3b8b |
| Manifest | e77268a7a38f99fee265e5ed2b61a503daca9aca0554dbd548b5370f5da11e22 |
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 | ryWdUfgnkbmlen5A0j/XHvDDttW14wY/DSqm1iQWwSgtAYLgdmeYfZ2m3G91nU7IrozVlijrviWp1mHHfPwcBg== |
| 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
| 2026-09-17T10:56:39.678017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052974observed 23996c5546d4d2f007c8f2328ec2d904...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:39.659944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052974/manifest.jsonobserved e77268a7a38f99fee265e5ed2b61a503...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.640734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052974/publication.mdobserved bcfea562442e725db6c289ffa27ba5fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.622018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052974/publication.txtobserved bc669b8acf581af1703916e455412a67...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. |
|---|