OpenTechnical

OT-2026-000008974

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000008974) never changes.

Identity and time

Publication numberOT-2026-000008974 · never reused
Internal UUID01a0ae6b-31b8-7811-bb2e-10bc104327f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008974
StatusPUBLIC

Content hashes

Canonical texta587951898292e2078ae6bf4e7672e5d742ae166554ce8a96298a73d70408649
Markdownda00565385f2d88b627480d21d1851d395fd08ec81cb8f19f9f1192006eb5c5b
PDF
Publication page71b2fa3e52dd5a9830613315a62b84116bf89cbb6eba209c7eee6f154eb8fa2d
Manifesteea3ee76c04b6d9d95f832f6b851a28b16ce0d264bd8f424287704d56ca0d171

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
SignatureGBVk7tsvL9LHX+v9WkRW5FauCF+hrYbdNPKA0yw1TCtlQEgulCCq571J3c0YouhO+r0qiCxXVSFnCyJ4ZtvECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:35.659947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008974
observed 71b2fa3e52dd5a9830613315a62b8411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.640763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008974/manifest.json
observed eea3ee76c04b6d9d95f832f6b851a28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.616821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008974/publication.md
observed da00565385f2d88b627480d21d1851d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.598333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008974/publication.txt
observed a587951898292e2078ae6bf4e7672e5d...
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.