OpenTechnical

OT-2026-000021073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000021073) never changes.

Identity and time

Publication numberOT-2026-000021073 · never reused
Internal UUID01a0ae6f-65e5-72f7-a995-51d9816b3899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021073
StatusPUBLIC

Content hashes

Canonical text47281e6ed0f9158ebee8dc3ecf9135ac75d9fed87d75b7539767e36464555bcb
Markdown3cd054983ef68c2c94b351a96d4732c8ca4e825fbaa373fd2f17cf3fa5304212
PDF
Publication page78b3d374091e9730e7db8ac0052af18e51cea61243062dd27a66e0472900da83
Manifest5f2bba29a6fa2b1b09c57ef5daea10d20f6125c335603e8b023c56bfef269b66

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
SignaturefQGp9ezB7qwyGMFw0HNyEVpHNOko12CxmSH8eqi/aB1QEzPk46Ze65S0/awyPXpzumh0lHsLDnogmGS0YokaBg==
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

2026-09-17T11:56:14.717563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021073
observed 78b3d374091e9730e7db8ac0052af18e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.699184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021073/manifest.json
observed 5f2bba29a6fa2b1b09c57ef5daea10d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.681954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021073/publication.md
observed 3cd054983ef68c2c94b351a96d4732c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.665323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021073/publication.txt
observed 47281e6ed0f9158ebee8dc3ecf9135ac...
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.