OpenTechnical

OT-2026-000100277

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000100277) never changes.

Identity and time

Publication numberOT-2026-000100277 · never reused
Internal UUID01a0aea3-3053-7fea-ab8c-d69509d9a543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100277
StatusPUBLIC

Content hashes

Canonical texta39ff1f57b2a650921733d152421c69407df0e419c396e379627f0161a310d63
Markdown76c88461504d5942aea58b132190332db9dbede7a00192b1d6426f66c82c522c
PDF
Publication page6849a4408d6e80b0b0529353b6576e591047778c1aa33f84d0ce047087ebf528
Manifestaec273075e0849961a3742427f0891ab4a38b83b3be595f98086640d7cae5149

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
SignatureGEWz/4UfFz9jnsQmkygwqMdQMh54ktgyXmgMW3XYxWcFpwkFaE2PpbJ+bA3SiAR+j1Nw7qkf5qUUa0bE1XZYCg==
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

2026-09-17T09:30:05.286223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277
observed 6849a4408d6e80b0b0529353b6576e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.270120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277/manifest.json
observed aec273075e0849961a3742427f0891ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.252279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277/publication.md
observed 76c88461504d5942aea58b132190332d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.235001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277/publication.txt
observed a39ff1f57b2a650921733d152421c694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.938608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277
observed 6849a4408d6e80b0b0529353b6576e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.919932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277/manifest.json
observed aec273075e0849961a3742427f0891ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.903438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277/publication.md
observed 76c88461504d5942aea58b132190332d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.886791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100277/publication.txt
observed a39ff1f57b2a650921733d152421c694...
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.