OpenTechnical

OT-2026-000095473

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095473) never changes.

Identity and time

Publication numberOT-2026-000095473 · never reused
Internal UUID01a0ae9f-8f73-71a5-821e-2ac2a010d9b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095473
StatusPUBLIC

Content hashes

Canonical textfea51824a00741db6cee3da49063e43694b3342fe2158bdb0352659d01567555
Markdown53f20d16d998e7043eff6b4a17e9a3a0082c4d420b3a57c3149671b31a61cb86
PDF
Publication page2a789f7d3b6efade3438e1a24dfb1898f33552a607e59e537c260ae717971c47
Manifestabd79803f41ba4da14ec37cd3d786b9a2d13483060670598e396559967c223fc

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
SignatureIv5hJD5CTi7WvvlGVRbywd2p3tkSmaoGRCbsoUx/kSPO9/bTH2sS/H9J7oGGKp3e9Dj7icMhnkzhYSlq8AA2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:23.019429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095473
observed 2a789f7d3b6efade3438e1a24dfb1898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.999003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095473/manifest.json
observed abd79803f41ba4da14ec37cd3d786b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.981578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095473/publication.md
observed 53f20d16d998e7043eff6b4a17e9a3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.963451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095473/publication.txt
observed fea51824a00741db6cee3da49063e436...
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.