OpenTechnical

OT-2026-000027686

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027686) never changes.

Identity and time

Publication numberOT-2026-000027686 · never reused
Internal UUID01a0ae72-699a-7e0a-bda6-efbb53a75462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027686
StatusPUBLIC

Content hashes

Canonical textf93b6d1b9578ba99c65d8e4d486a31498714821e974ad4a3ee7753672dcbcf1f
Markdown8dbaee6bd68618c415db59adbe47434997e18a687f9d9baf8504203b97304810
PDF
Publication pagec4851c179bd12daf33f85147421be8bb9efbe07d36b25422cd24400aa8b4e2d3
Manifestddb9d8b543e9b1ff81a1df4d2ec4dac828e1ce76a4f36cc7d46f3c88c7213846

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
SignatureBMzLHWAgn0AP9iCZ2bqHvr2M75h78hZ8oWofhFefyqd9eoMgAYYnTBcQkao2Zw2wv9q3n5IDwlz34T63pMyUBw==
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

2026-09-17T11:43:13.582212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027686
observed c4851c179bd12daf33f85147421be8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.565422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027686/manifest.json
observed ddb9d8b543e9b1ff81a1df4d2ec4dac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.547993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027686/publication.md
observed 8dbaee6bd68618c415db59adbe474349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.531774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027686/publication.txt
observed f93b6d1b9578ba99c65d8e4d486a3149...
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.