OT-2026-000012989
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000012989) never changes.
Identity and time
| Publication number | OT-2026-000012989 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-7a58-9cb8-0a4ae38de1c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012989 |
| Status | PUBLIC |
Content hashes
| Canonical text | 66e1cb7f069314fb9c47651dbb4a1a49b06a19e3f54dcdc95ad225ae8ad99a54 |
|---|---|
| Markdown | a5ccc62a6959b081ff0a8ad9a0ccbbb85ef72b148a1a7e6b402288d3a63c98f0 |
| Publication page | 5eaef2443db8f924e760534ac675a43e8afff69d730ddfc473173b85f7c260d1 |
| Manifest | 496abf5b63602223127257868c1bc8f9ca3967ce7c6c18bc1f660a32cd7dff95 |
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 | 60Il0A1Rya7SBfNCJficTUlz9YcYHapG+aJk/TMHGnofDbCVRHIx1KNTuEUSV6pwKymALUjD89KYXaUj6FeiAw== |
| 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
| 2026-09-17T12:10:48.337887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012989observed 5eaef2443db8f924e760534ac675a43e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:48.318496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012989/manifest.jsonobserved 496abf5b63602223127257868c1bc8f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.298781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012989/publication.mdobserved a5ccc62a6959b081ff0a8ad9a0ccbbb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.278530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012989/publication.txtobserved 66e1cb7f069314fb9c47651dbb4a1a49...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. |
|---|