OT-2026-000043981
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000043981) never changes.
Identity and time
| Publication number | OT-2026-000043981 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-d679-75af-a1bb-b8d199666c79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:06.584190Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8016c54af44cca55482c64f77555ef66e3ab7ddb78ef0e19edc033a360592395 |
|---|---|
| Markdown | 03f229cafdb58b2fda0404e46b0c78a693b3911207d474880e65a3c663df8764 |
| Publication page | 7c9871417ab15762a21cb88171ee4f68a8476fdbf1852860a15940b8ae0fb91c |
| Manifest | 8f16e7ad0a000adae8cd261cd742e0b838ad82e586da92b4bdc02eecff6985f4 |
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 | vouPRTq4fXO6LUC3CAgpdN/mTH5m+x0GqhNpJjmL/tE2LbHRU1XIU9ktkujVsk/j1afZuzoZKsn0V1j2gbOHBA== |
| 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
| 2026-09-17T11:12:20.800163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043981observed 7c9871417ab15762a21cb88171ee4f68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:12:20.776057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043981/manifest.jsonobserved 8f16e7ad0a000adae8cd261cd742e0b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:20.756477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043981/publication.mdobserved 03f229cafdb58b2fda0404e46b0c78a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:20.737467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043981/publication.txtobserved 8016c54af44cca55482c64f77555ef66...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. |
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