OpenTechnical

OT-2026-000071382

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000071382) never changes.

Identity and time

Publication numberOT-2026-000071382 · never reused
Internal UUID01a0ae91-e0ed-785e-894c-afceb1a3ee8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071382
StatusPUBLIC

Content hashes

Canonical text02884b6ab93e2ca5ce25eebdba94bf342acf6c842b17fcbd462b571ac34c3b59
Markdown250f3149522b8a3c49499cd0ee4af001fe6425fc3267000456c70d1ed27bd12c
PDF
Publication page6b288862c010f974d8ca69aa918a8bb70089d2dba8f96be86918b682d086cad9
Manifest2bdddbe511d395f384efe0186b98c620c082d88d845fa29d4ff93ca1cd46d8fd

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
SignatureUzXFTWr+QLcslbXLYMxLqb/Qvtr/gZj4ZxGPUUnT8is2gVAt7O3HQmlC+YxeySrktpEfo7kd8GjRkS7sUAMEBQ==
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

2026-09-17T10:25:00.165437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071382
observed 6b288862c010f974d8ca69aa918a8bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.147679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071382/manifest.json
observed 2bdddbe511d395f384efe0186b98c620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.129399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071382/publication.md
observed 250f3149522b8a3c49499cd0ee4af001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.111347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071382/publication.txt
observed 02884b6ab93e2ca5ce25eebdba94bf34...
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.