OpenTechnical

OT-2026-000074922

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000074922) never changes.

Identity and time

Publication numberOT-2026-000074922 · never reused
Internal UUID01a0ae93-ac2d-72eb-9c37-f832279c97b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074922
StatusPUBLIC

Content hashes

Canonical textf8796a7c8f8105f2ee8e41dd0028cddfada1cd284b7fc8042e7b767cd3d746aa
Markdownbf40ad3b37c745ed9697e3be53a8ddefc7c3874cef010720896b62ad333494c7
PDF
Publication page4f570286a4b1d004c953fc4d1700033e3facccaa84f6c4e375fab99f5ff833ba
Manifest3ec936b3090df8d411fb0b2563583b7bcca36aff5eda52fd435b82847b13b08d

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
SignaturenkBJY9GJMNHR0Hc+fkPP/Kn9aKnrAGp5Po/lR8Jgp8VjbUsbNoTsEGPhiRNKALc3hkMdM9zcRBZ8kqPTQGLoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:38.926166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074922
observed 4f570286a4b1d004c953fc4d1700033e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.910751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074922/manifest.json
observed 3ec936b3090df8d411fb0b2563583b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.895416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074922/publication.md
observed bf40ad3b37c745ed9697e3be53a8ddef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.879152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074922/publication.txt
observed f8796a7c8f8105f2ee8e41dd0028cddf...
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.