OT-2026-000049561
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000049561) never changes.
Identity and time
| Publication number | OT-2026-000049561 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7d-7d7d-8269-84a893dbc6c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049561 |
| Status | PUBLIC |
Content hashes
| Canonical text | 552c19d60492a0327715c3fee5390a5c1a8a049c9f53bbba084d06039da828e1 |
|---|---|
| Markdown | 2a75e21e48df497d7fb54a58685e654860f3583d2fbde7414cd45c9a464a1cf1 |
| Publication page | b1d7ae3e6957c1bfcb8f02b9562d7204d811233b08a979da25221e88d2fb1483 |
| Manifest | 23fd2d9d4106ed8074370f733e6d38542f620af838c465bd3bc00ef660779311 |
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 | sb6BRoxwvdh4bKlrxPe+O6Qe+y5mOzQEwGlDn79klZhbEIN4r/mC6DwrKGfsdpEfgm7lD7z6mYU9Z+EF0o2nDA== |
| 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
| 2026-09-17T11:02:26.036580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049561observed b1d7ae3e6957c1bfcb8f02b9562d7204...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:26.017335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049561/manifest.jsonobserved 23fd2d9d4106ed8074370f733e6d3854...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.999439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049561/publication.mdobserved 2a75e21e48df497d7fb54a58685e6548...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.982263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049561/publication.txtobserved 552c19d60492a0327715c3fee5390a5c...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. |
|---|