OpenTechnical

OT-2026-000074845

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000074845) never changes.

Identity and time

Publication numberOT-2026-000074845 · never reused
Internal UUID01a0ae93-ac2c-7fd4-84cb-13ddc51b8986 · 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-2026-000074845
StatusPUBLIC

Content hashes

Canonical text3fe1a5e95ab71abde5c511e2c15bbb50ab2cc428bf386a4201e116bdc784883d
Markdown7d5ee49453096afe0ea7fdd1d2de8c88f1c2d495491d7beb2e01cb9ff47a2777
PDF
Publication page8d1de919039484039c34f09edb8cc298f578e0d543035604e3c1ed42129f0eb7
Manifestd85a0b226481f59266c455fd5049f5e16b1a95b208a2de0ac4560b0d3fc73c2b

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
SignatureomModyqvejP7K2COrHEI6sEl1+2X+5/r2CT9HT3c5v0cBCB/1K4xorda0DX8jyHckeZhPD6sJ2AeLVc7yDQJAg==
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

2026-09-17T10:18:33.475792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074845
observed 8d1de919039484039c34f09edb8cc298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.460243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074845/manifest.json
observed d85a0b226481f59266c455fd5049f5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.441782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074845/publication.md
observed 7d5ee49453096afe0ea7fdd1d2de8c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.422497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074845/publication.txt
observed 3fe1a5e95ab71abde5c511e2c15bbb50...
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.