OpenTechnical

OT-2026-000021321

Publication integrity record

Six cup vacuum gripper, six 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-2026-000021321) never changes.

Identity and time

Publication numberOT-2026-000021321 · never reused
Internal UUID01a0ae6f-865c-799c-9faa-74698d6cf5aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021321
StatusPUBLIC

Content hashes

Canonical textd70405c593e883c05493882c1bdfc8d8a67d859c42152fb5b66f5f41b40bbf9b
Markdownd10d7781b406cf656bcca0fcbe7d91580c4af8b535ce511e44d075ed4cafe3d7
PDF
Publication pageb77255d567023b45deaeaabb19bf4657c188ca91cc22d75e31b6f88d1a54cbdd
Manifestaf95025ac9e57d555312ce4faab02e26493d2a708b692b41f7c1a7ada1e7d857

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
Signature/5De0JZs9ndTiGVExfgJEzRAH9IYbczk91hy3X0dF6L2ioZnJY0/apEssRitTLZkyStGAxAjW2tGpC954CpvDg==
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

2026-09-17T11:55:10.013225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021321
observed b77255d567023b45deaeaabb19bf4657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:09.994459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021321/manifest.json
observed af95025ac9e57d555312ce4faab02e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:09.973951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021321/publication.md
observed d10d7781b406cf656bcca0fcbe7d9158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:09.954577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021321/publication.txt
observed d70405c593e883c05493882c1bdfc8d8...
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.