OpenTechnical

OT-2026-000013176

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013176) never changes.

Identity and time

Publication numberOT-2026-000013176 · never reused
Internal UUID01a0ae6d-6fc8-739b-8540-8efee2100561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013176
StatusPUBLIC

Content hashes

Canonical text6c09e36959ec4a95c862426a773c8ce84e4983d0bc5bf1e34495f2530ad2430c
Markdown96a61b6f0355efcf64a08816247f55668b0efbd8bb057a882651241ccff9e71f
PDF
Publication page696130623ee8c15084d15cb30d4cccaea401e0ed849082f9e70ab8af75604737
Manifest98000f83648e8965378c86a281d85ef646e6afd913f2c0f70e2ea38a5c38188b

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
SignatureOQgVWYcy5M5YuHmVmTc0HpZRQY4Y4EYQJV4PyhiQi+jSsx4j1T2vRqwsKIXpra1xAKBOKmxiUMhZ+NR3mBY0Aw==
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

2026-09-17T12:09:33.235075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013176
observed 696130623ee8c15084d15cb30d4cccae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.215827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013176/manifest.json
observed 98000f83648e8965378c86a281d85ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.197318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013176/publication.md
observed 96a61b6f0355efcf64a08816247f5566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.178278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013176/publication.txt
observed 6c09e36959ec4a95c862426a773c8ce8...
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.