OpenTechnical

OT-2026-000067777

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000067777) never changes.

Identity and time

Publication numberOT-2026-000067777 · never reused
Internal UUID01a0ae8f-c4fa-7bb4-b299-4b7eedef0c4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067777
StatusPUBLIC

Content hashes

Canonical text2ee3a35a892a7781b36ed06dbddab4fa09be347697b2d82aebe53705aa5ac84d
Markdown2b3c4178e37255836c7c85596a3dad65683d14c98cb9d713b1db01a9c8cb7253
PDF
Publication pagea402133f4221acf92c74fe1e136ca9e068739c20994844887d9bd70f1bf0384d
Manifest0a4598790c6e564bde5d6037a2730361d9284e439d724d8b23080fc00e0f8966

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
Signature/mdCBYoJdbheiOOvcY6r0QLX1Wy7KqhQ6I8zJ5PlGS9dNsyEQvobRb9Y8PHDaRpywINSMojt54xv787TqPHvDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:00.552396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067777
observed a402133f4221acf92c74fe1e136ca9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.533917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067777/manifest.json
observed 0a4598790c6e564bde5d6037a2730361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.514519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067777/publication.md
observed 2b3c4178e37255836c7c85596a3dad65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.495341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067777/publication.txt
observed 2ee3a35a892a7781b36ed06dbddab4fa...
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.