OpenTechnical

OT-2026-000014623

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000014623) never changes.

Identity and time

Publication numberOT-2026-000014623 · never reused
Internal UUID01a0ae6d-d092-7c61-a53c-00e6534a6dc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014623
StatusPUBLIC

Content hashes

Canonical text6fd8b67ea44bc0b349c2d2bdf0db3f67478b8952c1fb023f78cf71ee9e1ab45a
Markdownb2a8ab9538e95fe4298acd81c838daac294a97d1bea5d36b04f2e682ae9a5ed3
PDF
Publication page8e53057c458c113e9f7f10c73fe110b496be56686b380150fb0a1805b270156d
Manifest1da482dc93f8eb5447dbc93cd7d9e97a81d584b31189d15d11692524b2bb1225

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
SignatureZJ88Dj4b7VBJjQXIwV3JhqjbuBDM5c1wpefGaW/jUbATV9bpqWuM31ntxuHeVtQ/RDtLmQbY8mqXxSCIyIGPBA==
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

2026-09-17T12:06:26.201860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014623
observed 8e53057c458c113e9f7f10c73fe110b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.181889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014623/manifest.json
observed 1da482dc93f8eb5447dbc93cd7d9e97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.162751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014623/publication.md
observed b2a8ab9538e95fe4298acd81c838daac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.141520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014623/publication.txt
observed 6fd8b67ea44bc0b349c2d2bdf0db3f67...
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.