OT-2026-000031648
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000031648) never changes.
Identity and time
| Publication number | OT-2026-000031648 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7324-9f44-f77e470892b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031648 |
| Status | PUBLIC |
Content hashes
| Canonical text | 839a1bfe3ea8e80bc21ea6e5a5d226ff23cea544593b404db3d60c53bc3ba374 |
|---|---|
| Markdown | a43fa89b94640d5c8f894e7cc85f50b0d9966214f12e93e1be744203405eebf7 |
| Publication page | 151543ea5a24508e9ca4efcefed83a0944651b0ef413c5f092f9380f60edb4b9 |
| Manifest | 77e59b5065b1bff207e0c6f85ec298769e54fcfb841e012cb661b12cc6b692ba |
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 | bGiJyAV2zbWLJU2+fU0MRqZpOm8Lonyukqo+6vbp1xoOdqVW7KsLGBPD77NuvdpGrGFL715C4t6D52XCHz3UAg== |
| 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
| 2026-09-17T11:34:42.248888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031648observed 151543ea5a24508e9ca4efcefed83a09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:42.233670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031648/manifest.jsonobserved 77e59b5065b1bff207e0c6f85ec29876...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:42.214767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031648/publication.mdobserved a43fa89b94640d5c8f894e7cc85f50b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:42.196718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031648/publication.txtobserved 839a1bfe3ea8e80bc21ea6e5a5d226ff...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. |
|---|