OT-2026-000052888
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000052888) never changes.
Identity and time
| Publication number | OT-2026-000052888 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-71a5-9580-d6ad74fd42b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052888 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7e4d3d32565d78b782160d9e82b321373c1517bd440071b0d9674b70d9fbcbb |
|---|---|
| Markdown | 9fa7817bd2bfd461fa416d691b957ab5a2689d8e365c01e2d7041cd1c6647975 |
| Publication page | e64f949bc41f403ac2bc2ff1b399dc8db2da40dc0ea996c27c7a12ce944d5cc7 |
| Manifest | bc913e8a156b51ed5d3a88b19c81cd7835e64591797655f2d1cc67590f5642a9 |
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 | 247mJoOxPQQfCW8uZJVmC2j0oEA556Q1LNTiLlNNW4qdpNvw4/IKygO+1ijGUZJfdWp0FzeNMDV2CXVXhFxZBA== |
| 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
| 2026-09-17T10:56:31.573894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052888observed e64f949bc41f403ac2bc2ff1b399dc8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:31.556495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052888/manifest.jsonobserved bc913e8a156b51ed5d3a88b19c81cd78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.538676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052888/publication.mdobserved 9fa7817bd2bfd461fa416d691b957ab5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.518860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052888/publication.txtobserved f7e4d3d32565d78b782160d9e82b3213...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. |
|---|