OT-2026-000057220
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000057220) never changes.
Identity and time
| Publication number | OT-2026-000057220 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5bb-7e23-a9a3-0766ee2bde35 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057220 |
| Status | PUBLIC |
Content hashes
| Canonical text | ceee3daf23eb71daac46c4f1f284889fb9fabff27130a68be7ca93f30de4d3cb |
|---|---|
| Markdown | 53bd0cfdec4b3c6b060041f09f88c21d4664455372ff96d4bcd46d2db6ff8775 |
| Publication page | b41e15532df453040f240104c2af5dd4cef23da9ce2d44375da2ae5f19bf1252 |
| Manifest | efabc1edcbf65206ebb2378edf9095d72f1a13b409a5c9c5ddec76370da1e09b |
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 | 2JntgbD/VAs0ETlMRTG5aHiUSRE+6ynSu2HM8cG7Wdoeu/sBmReluH2A40g5rFfHMRqkFgVP87sjnlraFYJjAg== |
| 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
| 2026-09-17T10:50:16.492695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220observed b41e15532df453040f240104c2af5dd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:16.472445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220/manifest.jsonobserved efabc1edcbf65206ebb2378edf9095d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:16.445257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220/publication.mdobserved 53bd0cfdec4b3c6b060041f09f88c21d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:16.424964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220/publication.txtobserved ceee3daf23eb71daac46c4f1f284889f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:22.169034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220observed b41e15532df453040f240104c2af5dd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:22.152020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220/manifest.jsonobserved efabc1edcbf65206ebb2378edf9095d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:22.135351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220/publication.mdobserved 53bd0cfdec4b3c6b060041f09f88c21d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:22.118153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057220/publication.txtobserved ceee3daf23eb71daac46c4f1f284889f...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. |
|---|