OpenTechnical

OT-2026-000010880

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000010880) never changes.

Identity and time

Publication numberOT-2026-000010880 · never reused
Internal UUID01a0ae6c-540d-7427-ab21-39b5494d73ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010880
StatusPUBLIC

Content hashes

Canonical text9d7c133533da262484654e94360fe6c5285f70efaca62f4b82044302376434bf
Markdown5b92baa8b2bec5f6119154eb99d2cffeb4a9b54cffa85c20f1fd3fff56dcc9f0
PDF
Publication page55a8ad80472ff9d11b0452a71b1d2005b95bae65d73ab5abeb123ef5efdd1dbe
Manifestd174498a3a74a156bce7ea7a774daa9128a760f7a52318e99a171f79f8462814

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWI2SDvyN22qZGaCksMhtTMqQoiGDKQKFsUJa4OPMmGrMNYG97UBnKAnMzj7eFsYHvhbT0qY3eMPVv8v4fCLsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:38.679827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010880
observed 55a8ad80472ff9d11b0452a71b1d2005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.661757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010880/manifest.json
observed d174498a3a74a156bce7ea7a774daa91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.643453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010880/publication.md
observed 5b92baa8b2bec5f6119154eb99d2cffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.623810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010880/publication.txt
observed 9d7c133533da262484654e94360fe6c5...
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 archivePending 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 packagePending Custody packages are produced weekly.