OpenTechnical

OT-2026-000037228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000037228) never changes.

Identity and time

Publication numberOT-2026-000037228 · never reused
Internal UUID01a0ae77-7741-78ec-8137-cdac2e7b6465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037228
StatusPUBLIC

Content hashes

Canonical text9620e5851fad14575c5d69c91a093690dbf256ebbc0a1f5975f504bbfdd7251c
Markdownf7c776de477339a0950821c5a1db02c9078b0d8decd3df19ee647d943fbc6cf1
PDF
Publication page0006f6771f81c52bfadf87e4966b80a2f97a1be20cdda91305f63aef634cb9b9
Manifest3f45dd098bb0a5768488d31af64eb887bcdc16bf3d4d5775182ee32b9ee16970

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
SignatureDz9P3lAdCHcyfh1NWor9Q1/Owm6CrUHFc5AXMs0a5WllcX2C0ikBYUXPyMfBg7V5etahKRjzyaG8WmtKX5pPBw==
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

2026-09-17T11:25:07.400536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037228
observed 0006f6771f81c52bfadf87e4966b80a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.384408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037228/manifest.json
observed 3f45dd098bb0a5768488d31af64eb887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.367957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037228/publication.md
observed f7c776de477339a0950821c5a1db02c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.351725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037228/publication.txt
observed 9620e5851fad14575c5d69c91a093690...
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.