OT-2026-000013221
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000013221) never changes.
Identity and time
| Publication number | OT-2026-000013221 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc9-7e14-9147-76e5c0f80c89 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69999522333d8f39be65d93a2a27275c1cb28290226fa26f6997fd889036d52d |
|---|---|
| Markdown | 64513075795c98ffe1f9ab8931b959d8d804e19b010de8bc0dd0615342d62b3c |
| Publication page | e8e0a225977d97fd36460a57d39709f2e7014719ce0e5cf50c6e911fac65f1b2 |
| Manifest | 0c8f3a4a32103b561e74dd9f74b00ffe31477d80f7961226d9cf0c9c18d39e13 |
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 | fuOIedWLNqZHBLFCLi6fLcCIfXAq8JXOrOiKBzAvJpYp2paDUqyPP9+0hedTL8X2xhab3NRgsOFi5lUkjkbmBQ== |
| 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
| 2026-09-17T12:09:36.886553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013221observed e8e0a225977d97fd36460a57d39709f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:36.867836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013221/manifest.jsonobserved 0c8f3a4a32103b561e74dd9f74b00ffe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:36.849098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013221/publication.mdobserved 64513075795c98ffe1f9ab8931b959d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:36.829185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013221/publication.txtobserved 69999522333d8f39be65d93a2a27275c...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. |
|---|