OpenTechnical

OT-2026-000036691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000036691) never changes.

Identity and time

Publication numberOT-2026-000036691 · never reused
Internal UUID01a0ae77-46e8-7052-97fe-f075484959cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036691
StatusPUBLIC

Content hashes

Canonical text39271a47914b2d286072b6d9394c5224d6d7de7d4f1a967aa6d3f7f8c5521c77
Markdownd1e9430a638d51a1c6d13d4774cdf44701e5baa89ec8cb0ab68e63593d937416
PDF
Publication pageb9c2a14eb87344f697cdcdc93d222ab9754d83713045e5f363e9754411cec81e
Manifest0cd30a2845b7d2a9de19a571e2a513b322ba603596913f609826f823be42fb5c

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
SignaturenQkGLobc+YCozb4R134Wk+vdnt3GlU8TREgdlAHQop6F1ac7Uc1kpwioOmdiiY1pweUDJ018eifztVDbqTjtCw==
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

2026-09-17T11:26:02.917558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036691
observed b9c2a14eb87344f697cdcdc93d222ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.902512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036691/manifest.json
observed 0cd30a2845b7d2a9de19a571e2a513b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.886856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036691/publication.md
observed d1e9430a638d51a1c6d13d4774cdf447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.869533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036691/publication.txt
observed 39271a47914b2d286072b6d9394c5224...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent