OpenTechnical

OT-2026-000029638

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029638) never changes.

Identity and time

Publication numberOT-2026-000029638 · never reused
Internal UUID01a0ae73-5e23-72bd-96b3-854be033b86e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029638
StatusPUBLIC

Content hashes

Canonical textf5ded3f8e52853fe80f45a3965237520acdc96e1f3459aabb5d7838091aa0e57
Markdownbf778d6bbc639eacfe7fe994dc4746b3bffad431570686c7c9b08648c950a3ec
PDF
Publication page6a86f6030ec9633a5ab566040566dca0e7c0f4730c1f3d99c2d0ff12cff8af35
Manifest26f9cd9c6df2bce9ac58c46819e4e3db4f9c2c132ec1fe9ce04d91a628de7efd

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
SignatureL5TdvTL60glmwc2xCAu8KEvEUSE4XqcVWSDlJfnZOCHPLqP7fP16Qpca7HNJTtk8SAWmk1D9QECaKVvt6DkcDg==
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

2026-09-17T11:39:20.884754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029638
observed 6a86f6030ec9633a5ab566040566dca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.868057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029638/manifest.json
observed 26f9cd9c6df2bce9ac58c46819e4e3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.851547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029638/publication.md
observed bf778d6bbc639eacfe7fe994dc4746b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.833851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029638/publication.txt
observed f5ded3f8e52853fe80f45a3965237520...
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.