OpenTechnical

OT-2026-000068624

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068624) never changes.

Identity and time

Publication numberOT-2026-000068624 · never reused
Internal UUID01a0ae90-2482-7f26-90ce-6e51d0f78875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068624
StatusPUBLIC

Content hashes

Canonical text19125fe3cb9d235df7ebf39836de9b6c14a58931decdf5bd6ec9a028174c50d7
Markdown4b6005dc3270f73ddad44f930a49bb6f103143f919dffe560e36a6f4edb4fb90
PDF
Publication page69c19fb053dd8bd00c92a3a228f8912dc8bd0daf38494799d6d2c744ae47d792
Manifest53441e37c2cc3755149a5883308212df66ed16013e1c5b919c6259953015f075

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
SignatureSMIIBULZWYppCzRbP1v6M1RGdNfjyG3JOUfy8Exok7UCD7ozOt8r8BKDFr2zERcCEvG9y1UNLL8pfwd2M+szBA==
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

2026-09-17T10:29:48.622096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068624
observed 69c19fb053dd8bd00c92a3a228f8912d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.602606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068624/manifest.json
observed 53441e37c2cc3755149a5883308212df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.585686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068624/publication.md
observed 4b6005dc3270f73ddad44f930a49bb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.569319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068624/publication.txt
observed 19125fe3cb9d235df7ebf39836de9b6c...
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.