OT-2026-000007207
Publication integrity record
Vacuum cup gripper, four zone face, two outlet manifold, pump fed, contact triggered, polyurethane cups
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-2026-000007207) never changes.
Identity and time
| Publication number | OT-2026-000007207 · never reused |
|---|---|
| Internal UUID | 01a0a976-8ebf-7288-b00e-0c4e7cee5513 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:05:14.435042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007207 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2fc14c8b85c16419d87a7c89d7f1e5d52301fa86b7f0a0357de9d850a38e759 |
|---|---|
| Markdown | a10b78f531f09eff28526742c6756b08d88c5960f2979061dbfaf4747771bd92 |
| Publication page | 4bf4fc455b1ec91befe75cbf1f5b00bc897367aa651576d71bdee180b8412073 |
| Manifest | 2fd2a839ae61c432c25aec8f781fc1b142e62bcfb4d2df2e5439cd4556e5aef8 |
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 | pFTZv63ToCJg7vG8O8lFb8Htt7BSoeWlqzAAoRZ862UsktRZM6R1tzNiXWYsuK+dVUlhO8NGHujCC1u5Z7XBDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:15.930387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007207observed 4bf4fc455b1ec91befe75cbf1f5b00bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:15.918941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007207/manifest.jsonobserved 2fd2a839ae61c432c25aec8f781fc1b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:15.906204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007207/publication.mdobserved a10b78f531f09eff28526742c6756b08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:15.894862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007207/publication.txtobserved f2fc14c8b85c16419d87a7c89d7f1e5d...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. |
|---|