OpenTechnical

OT-2026-000017373

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000017373) never changes.

Identity and time

Publication numberOT-2026-000017373 · never reused
Internal UUID01a0ae6e-76c9-7458-8f4f-54cab726f402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017373
StatusPUBLIC

Content hashes

Canonical text2f30ce45719ff6f69666523321ded947fe7f8809c053e1e33031b1466027a6c9
Markdown2fccbb51f56c155593dd9aadcda1acae0e4ebf91dc943314d86d3d720e8a337c
PDF
Publication page62549977ca4debfd1ddca6b5b8f3caca40a0f7d7cf6b6ce9a03e626ec6c0a624
Manifestf480b62c2ea689c9a18f0a514055680e0bc4d9041e5d1fb055bf1442479c4e6c

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
SignatureNwKRnYZG5SFoYoxIN6RhVMMH04uPvagMYSw/cvBOHkFSfvJbppFpDWiUKNt3gZ9MrgGrY+W0bkTw0qQgWACECA==
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

2026-09-17T12:02:29.557165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017373
observed 62549977ca4debfd1ddca6b5b8f3caca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.540438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017373/manifest.json
observed f480b62c2ea689c9a18f0a514055680e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.523264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017373/publication.md
observed 2fccbb51f56c155593dd9aadcda1acae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.505450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017373/publication.txt
observed 2f30ce45719ff6f69666523321ded947...
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.