OpenTechnical

OT-2026-000033915

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000033915) never changes.

Identity and time

Publication numberOT-2026-000033915 · never reused
Internal UUID01a0ae75-a392-76da-a8f6-44fef9ed7b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033915
StatusPUBLIC

Content hashes

Canonical textad7be29442575ca5cacc27a41e9df27159b65fd7bf7082669e7a49f09b876575
Markdown282233ed53fde1bf27c87a1b09efb73949048efa2ac945e69779625a2887e63b
PDF
Publication page635b2a86ee14c282243933127c92889f5c5874bca22d51b5c1695cd4f908c7b3
Manifest3e5d7fd932ba3f3ee5e7e07db2202c4813d439c50bee36cd94b944fc2c8d6ccd

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
SignatureiccwSwYZA49NzCIvqI90xNzMDi77C/4eEr2WoH0KdO3PA3k3uku/qt/cmBVo74b0fRvqi7bD4ySxuGg3EhcLBA==
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

2026-09-17T11:31:59.812222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033915
observed 635b2a86ee14c282243933127c92889f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.793167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033915/manifest.json
observed 3e5d7fd932ba3f3ee5e7e07db2202c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.776433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033915/publication.md
observed 282233ed53fde1bf27c87a1b09efb739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.756748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033915/publication.txt
observed ad7be29442575ca5cacc27a41e9df271...
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.