OpenTechnical

OT-2026-000100397

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100397) never changes.

Identity and time

Publication numberOT-2026-000100397 · never reused
Internal UUID01a0aea3-66ee-7562-8a52-77c605d2a68d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100397
StatusPUBLIC

Content hashes

Canonical textc36e045b8c4581eac8102ece59868cefb8657b5df76548c17d86442a2f7d93c5
Markdown9bde633d0dd32f7620bf8c444915f99a76dc543116e48d765f360f4351be13c0
PDF
Publication page46c65a9ca8977cbdedf45a4b03580a9c6cbe2fbeee3842985004b31419e8509c
Manifest75457dca686fb766594d9e80830336c0e68c7c8a8dd69deeff346043459c1278

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
SignatureeSzcc/QaC62GJRLRbtx+C+GPRogAPC/sF0/UY/6+R03E6altbPLudLexr7dm+sqAIRcgXrrDkhed7R7NWSPDBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:08.042714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100397
observed 46c65a9ca8977cbdedf45a4b03580a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.982433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100397/manifest.json
observed 75457dca686fb766594d9e80830336c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.964061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100397/publication.md
observed 9bde633d0dd32f7620bf8c444915f99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.890633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100397/publication.txt
observed c36e045b8c4581eac8102ece59868cef...
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.