OpenTechnical

OT-2026-000073148

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000073148) never changes.

Identity and time

Publication numberOT-2026-000073148 · never reused
Internal UUID01a0ae92-efb6-7422-a76b-fdb3a0064634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073148
StatusPUBLIC

Content hashes

Canonical text0c6ede0d02f23443c50b2afa81fa08153e439f07e8fa5ef12d5fab181b222751
Markdowndfd4c24de846edc2fddfb74cefd6f31eb04fdb60639dba24f56c632f0a3f040a
PDF
Publication page9b3916e3312e73b17193ce3bffd2b32242980d2e80d6e19cc66cfe30720adb66
Manifest4fa33ddf6af9f39bf4223811c1302d609e570683013b69af02ba73f4f18e225b

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
SignatureB5mySEyGK6sHQrjNhjhWfL8KRwsy8lRaII06NyFAyyQMNn3CmSYUdEKmzfCX0TrvyVtdI1fd0dGMHt4U4RLhDg==
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

2026-09-17T10:21:05.300750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073148
observed 9b3916e3312e73b17193ce3bffd2b322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.281656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073148/manifest.json
observed 4fa33ddf6af9f39bf4223811c1302d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.262994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073148/publication.md
observed dfd4c24de846edc2fddfb74cefd6f31e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.244084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073148/publication.txt
observed 0c6ede0d02f23443c50b2afa81fa0815...
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.