OpenTechnical

OT-2026-000062916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062916) never changes.

Identity and time

Publication numberOT-2026-000062916 · never reused
Internal UUID01a0ae8c-94a8-7b6c-a28c-07d489d9007a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062916
StatusPUBLIC

Content hashes

Canonical text7bb36f66e4df3c4bb73b5757677ec7dcaf059ede3c04dde35ebd1a8e45a1c3e0
Markdownd767e4ad8642eebfd47cb1eb6531b92df7e8796675f10041659765465b4c1413
PDF
Publication page70baa9f91f41b39c5e952924a700398f10140023077daa7d3da3c1367e98f5d7
Manifest7b5c5b451d5e88fd2440f65c7cd2f45cd13ef7e24490085f412147f7a31dca35

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
SignatureMNqBZ+DV2N2foMaB6Ies8crjyK5LwN7RR9HBnBvMHm95fM/Fn7Jc+MEK0AZYFR96SN/RRCeX1tLnn/ftIHDhCg==
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

2026-09-17T10:40:17.669385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916
observed 70baa9f91f41b39c5e952924a700398f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.648715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916/manifest.json
observed 7b5c5b451d5e88fd2440f65c7cd2f45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.630107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916/publication.md
observed d767e4ad8642eebfd47cb1eb6531b92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.609576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916/publication.txt
observed 7bb36f66e4df3c4bb73b5757677ec7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.129470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916
observed 70baa9f91f41b39c5e952924a700398f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.110069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916/manifest.json
observed 7b5c5b451d5e88fd2440f65c7cd2f45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.092227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916/publication.md
observed d767e4ad8642eebfd47cb1eb6531b92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.073715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062916/publication.txt
observed 7bb36f66e4df3c4bb73b5757677ec7dc...
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.