OpenTechnical

OT-2026-000025905

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000025905) never changes.

Identity and time

Publication numberOT-2026-000025905 · never reused
Internal UUID01a0ae71-a83f-7415-aefd-d8b90b6933c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025905
StatusPUBLIC

Content hashes

Canonical textfe1de21a495f07b7b04526b647e7f7b05a5fc382a2525d1f03b4357f5562f6bb
Markdownfe1caf9e0be0f87a2f024c54ea53052f78a7cb57988f1bae04084e719a6cff9c
PDF
Publication paged7484fa267a103f86fbd5afeb947b1850fb0ae722485b31d44ff12b820f97279
Manifest0e40620f872f302092484eb94f161170147f298f6116a3bea39825e5de133516

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
SignatureMi+NKU4x73DmLFAoX2cP7J19wblSybuNCyAQsEVDEZXdSgqPO0nINVktQsaPO7VD9VN3yw0+gjKhZTSvyz1FDw==
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

2026-09-17T11:46:15.178007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025905
observed d7484fa267a103f86fbd5afeb947b185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.159616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025905/manifest.json
observed 0e40620f872f302092484eb94f161170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.142841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025905/publication.md
observed fe1caf9e0be0f87a2f024c54ea53052f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.120436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025905/publication.txt
observed fe1de21a495f07b7b04526b647e7f7b0...
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.