OT-2026-000054679
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000054679) never changes.
Identity and time
| Publication number | OT-2026-000054679 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1284-7b19-b333-7d32845ec742 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054679 |
| Status | PUBLIC |
Content hashes
| Canonical text | b91f7ef8b7ac0822c6d6c760dd0b2305890368618cedf52e2f38c91952affef9 |
|---|---|
| Markdown | 8f75196295c28e8eddb257b05c2e7d34c94593c373958cc3c3a7d24c87396a24 |
| Publication page | 1ad50b58acf1500a9692a1bb3656051b3c4fbd681f3de9700d70894f5100c35e |
| Manifest | 4d9907b50b55e64d85c3a7858d4d6e5071a5441cec157263d2ec54cc0b819f37 |
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 | NHjGtTWIRsgHO0BsEsnFC8jvBf6ELXd8dCIw3m3kc0fGFgPO/SIKdYPWEwDDz3UvkJ7nCIn+0hcrbRV+WU0rDg== |
| 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
| 2026-09-17T10:53:45.427583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054679observed 1ad50b58acf1500a9692a1bb3656051b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:45.405681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054679/manifest.jsonobserved 4d9907b50b55e64d85c3a7858d4d6e50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:45.386629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054679/publication.mdobserved 8f75196295c28e8eddb257b05c2e7d34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:45.368546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054679/publication.txtobserved b91f7ef8b7ac0822c6d6c760dd0b2305...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. |
|---|