OpenTechnical

OT-2026-000010839

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000010839) never changes.

Identity and time

Publication numberOT-2026-000010839 · never reused
Internal UUID01a0ae6c-540d-73f2-a408-30ab11908b28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010839
StatusPUBLIC

Content hashes

Canonical text26ad2aa52a4bd27352e0901f2acf4b879d6f5f9f91b935c4c4ad1379f5f85590
Markdowndf013c349545bc34ebf0389cd3962a68f30bd361a814dd1114df5543112c11f6
PDF
Publication page8f1752147c5ccc5ef83a595e92626d47ad1495c496b36545e7bd19700e0de6bf
Manifestbfda1fbff6a6028300e7715044e4e0202218c9933d583c53ce51363b8f2e22db

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
SignatureuI7QUT+IP0BzSGqIB/BUs4ydbjbifv1ECxjFtFviNOuX2KvT7mhd7dWrmzHN3rnPDm/Jh6fI3u4omeJylVePCw==
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

2026-09-17T12:13:35.662629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010839
observed 8f1752147c5ccc5ef83a595e92626d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.639013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010839/manifest.json
observed bfda1fbff6a6028300e7715044e4e020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.616888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010839/publication.md
observed df013c349545bc34ebf0389cd3962a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.596898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010839/publication.txt
observed 26ad2aa52a4bd27352e0901f2acf4b87...
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.