OpenTechnical

OT-2026-000074806

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down

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-2026-000074806) never changes.

Identity and time

Publication numberOT-2026-000074806 · never reused
Internal UUID01a0ae93-ac2c-7a6b-a785-c6fe9848ee2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074806
StatusPUBLIC

Content hashes

Canonical text2751281ee4eec858f9b481f37defe0316cf6702ead3c467fc370ca385115caec
Markdown42f2a2cca9fc1460fcfa95ceed3c656b0af424aabaa696033dff2b207ea39595
PDF
Publication page6df2516ea8b2b612c65779ca0e132fe64d6f2502d8eea65f01af26ebf2d05711
Manifestce477b3b6bde2c9318324af100a02ccef7737578c6909e6140ca883038577116

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
SignaturegGjxr6mHdMKTUTqw28nRXYgO2gJAwkanVNLgt5WPDQy3snzvWHQSnPLcdutrQnyDdvTvQ0ciwvu7QaT4Kg8cAQ==
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

2026-09-17T10:18:30.689225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074806
observed 6df2516ea8b2b612c65779ca0e132fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.672831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074806/manifest.json
observed ce477b3b6bde2c9318324af100a02cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.654459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074806/publication.md
observed 42f2a2cca9fc1460fcfa95ceed3c656b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.635108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074806/publication.txt
observed 2751281ee4eec858f9b481f37defe031...
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.