OpenTechnical

OT-2026-000017397

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000017397) never changes.

Identity and time

Publication numberOT-2026-000017397 · never reused
Internal UUID01a0ae6e-76c9-7455-b409-1c353a179893 · 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-2026-000017397
StatusPUBLIC

Content hashes

Canonical text119591b4423e33dc2ca161de36b97a2c9f476e029b6e6a424ec6771c522ede4f
Markdown205d9895b68e624265060af28f6a367ecb50c9099b4664bab9bafd97c60fb57b
PDF
Publication page095863bd7fe23ec0fe4aa4b41937675dbb1511cb8adfb8359236344891edfbc1
Manifest120ed2ba95a47cb6ce503733641be040b64408f9cf6e94603536f7ba54090586

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
SignatureIUERONjtu/DZeRH/gpfySNm9kifvEEywrLZB1TsLRbhPJD2iPfOFNbr9gg9IlNiE23PyZAB6XYNwF1Aq4zfpDA==
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

2026-09-17T12:02:31.353967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017397
observed 095863bd7fe23ec0fe4aa4b41937675d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.335023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017397/manifest.json
observed 120ed2ba95a47cb6ce503733641be040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.318461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017397/publication.md
observed 205d9895b68e624265060af28f6a367e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.302356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017397/publication.txt
observed 119591b4423e33dc2ca161de36b97a2c...
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.