OpenTechnical

OT-2026-000025072

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000025072) never changes.

Identity and time

Publication numberOT-2026-000025072 · never reused
Internal UUID01a0ae71-2729-709a-9787-1a53b3a414f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025072
StatusPUBLIC

Content hashes

Canonical texta4ef8d23682612e3a9267ef70623ea80ea1a1289d6a85dff8b26f63a2e5e738b
Markdownfc733e16a98056902f99de88435884bbceb78d20daec20495616e58500beaa78
PDF
Publication page0aa59d6b015aa34b2b668e6f8e6db130f34400133018fe341b28ab96e3fc89d8
Manifestef57821af12ad6086b82c86cafe8f98ad82265d2e453e0d2cc9ffff07f6b2b01

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
SignatureG92fJinq7jGLNJ9VA6QtadLYQOPkMnS0fsHtUv2Wao9MAqKye5p1gLv4ppL2LurQ/bHyobZSiMuBDbPxvBeNBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:29.151577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025072
observed 0aa59d6b015aa34b2b668e6f8e6db130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.129396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025072/manifest.json
observed ef57821af12ad6086b82c86cafe8f98a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.109451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025072/publication.md
observed fc733e16a98056902f99de88435884bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.086547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025072/publication.txt
observed a4ef8d23682612e3a9267ef70623ea80...
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.