OpenTechnical

OT-2026-000013906

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000013906) never changes.

Identity and time

Publication numberOT-2026-000013906 · never reused
Internal UUID01a0ae6d-8dea-70b2-95cb-8a8b2aed7419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013906
StatusPUBLIC

Content hashes

Canonical textab340094933ff4d100f64476047fb1f6f7ef75a12d7cff56209ba75f7e7bf254
Markdownb9a1a2529f288dea3ac9b87ea6626ba191f13f00c515381d0a0e00832b9b383b
PDF
Publication page752fac40bf1fef0f76989b49ca3603e24e3e1ae2863e502d0a011e2d5fb53547
Manifest228f68795cec62d80bdb86426b72857102cae98f5e1c520f13d6e2762ca263ab

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
SignatureJWrgcVq79ng3R2Bi5P+Jem6mL/IQ/fSJ+GKJebSkIO8xWSL8jQ/ZeEAG414DSM3fjs87bNm6iiiew+QAB1jlCw==
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

2026-09-17T12:09:02.058546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013906
observed 752fac40bf1fef0f76989b49ca3603e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.038216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013906/manifest.json
observed 228f68795cec62d80bdb86426b728571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.018109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013906/publication.md
observed b9a1a2529f288dea3ac9b87ea6626ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.997837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013906/publication.txt
observed ab340094933ff4d100f64476047fb1f6...
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.