OT-2026-000020815
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000020815) never changes.
Identity and time
| Publication number | OT-2026-000020815 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-789c-8e69-0ce32fb90be2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020815 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f33c77df82033acddc10b5918ffd16220b67fe88ee87dfae3afc59481139152 |
|---|---|
| Markdown | f5a5002bdef75f435de38113a5c81f689ebe83278bdef1958d711c7ea4b279fd |
| Publication page | 3a248f58b13de4e6e11453de63f6439c3611c3f187e469a1fd84934bb47588f2 |
| Manifest | f6ba8b751600cc4f3e1b1dc3463ef4039a6bccbf4a2ec36f47bc8ef9a216f015 |
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 | KcpLKG9ckAMOY/eVmy7jNzG8e57k16nPkFqPM5PpT/i2Q+5ZQ5I73eCevF0HrWAEM42EFO9AJVENLNUopDkqBw== |
| 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
| 2026-09-17T11:55:54.239964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020815observed 3a248f58b13de4e6e11453de63f6439c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:54.223558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020815/manifest.jsonobserved f6ba8b751600cc4f3e1b1dc3463ef403...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.205642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020815/publication.mdobserved f5a5002bdef75f435de38113a5c81f68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.186879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020815/publication.txtobserved 9f33c77df82033acddc10b5918ffd162...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. |
|---|