OT-2026-000089729
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089729) never changes.
Identity and time
| Publication number | OT-2026-000089729 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-1a22-7a3e-97f7-77371be3c7f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:21.039513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089729 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a72ddb23973f2ab0757cc18cd9e1af4255f26b0fa16dfd4947a4a4725350ec7 |
|---|---|
| Markdown | 357cea618535ce576e4b51d18032768bb67e62f3b5f9e9db69213a00328e3ff1 |
| Publication page | 0cdd78dedfb3d771447c4c8ef00315d7b48ccc82b0de1bb5c8f2e090509a490e |
| Manifest | 7b9af871f1a7d988d9498f06eb55512e3dd137c66d83c911b0b628c5040bd494 |
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 | VMuPtCqN2m7U41wiB8d6Io3knnXQYT2KsYBjWdMzp4KmA9wOjeLuO/Qy+4oSxE5lqNef6yO6N84hvSJ7K7BUBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:44.168704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089729observed 0cdd78dedfb3d771447c4c8ef00315d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:44.152728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089729/manifest.jsonobserved 7b9af871f1a7d988d9498f06eb55512e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:44.136455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089729/publication.mdobserved 357cea618535ce576e4b51d18032768b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:44.118166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089729/publication.txtobserved 2a72ddb23973f2ab0757cc18cd9e1af4...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. |
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