OT-2026-000054341
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054341) never changes.
Identity and time
| Publication number | OT-2026-000054341 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-71f3-b90d-90a057b103b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054341 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2656026910d7c47a3fb3026bf8d0c6153c7c62820c1f0fcc2f699729bb6f7214 |
|---|---|
| Markdown | 1b2b2c26c32a87f031dc5a2d68c5d23da7a13f29d8230b98a13e1a9fd1cdd3db |
| Publication page | 7fb9a193d43232e58f3fafae43f3b18e0d5c0cc002d25e4f97783162dfdc0b8d |
| Manifest | 290d72db7442a82a1389d0d4b33cd5d17a1d7300803ef9661f50b1c20e82bea5 |
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 | iOBTgrZl4T393qtbjWMbyZ/vRuvCF23pm63WFotiSkZI36qif12WV6T9fL3Bjr9qYVdNRfxgQcziMs5z34q4CA== |
| 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
| 2026-09-17T10:54:51.389715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054341observed 7fb9a193d43232e58f3fafae43f3b18e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:51.371613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054341/manifest.jsonobserved 290d72db7442a82a1389d0d4b33cd5d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:51.348928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054341/publication.mdobserved 1b2b2c26c32a87f031dc5a2d68c5d23d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:51.322470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054341/publication.txtobserved 2656026910d7c47a3fb3026bf8d0c615...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. |
|---|