OpenTechnical

OT-2026-000059197

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059197) never changes.

Identity and time

Publication numberOT-2026-000059197 · never reused
Internal UUID01a0ae89-8613-72c1-99b1-559678be2c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059197
StatusPUBLIC

Content hashes

Canonical texteaa3bc205a2c864e3d1ccf4fea4d6b139fc108907e57fa48b81dde61e186bd94
Markdown4f1d31ebb56f61dc35b14446692d5134f269949be78c9ec8bcc2346143e8faa4
PDF
Publication pagecd71ed5f104f18d4d5921dd9bd9eb32cf5f97a32158468b152f070aeb88a11b8
Manifestcb1726a88d5a9c02afb18929d0ca15fabb58f9959257c5f5e0da7fc6edad9fa7

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
SignaturegD4pRHhy6rCdCxW9pICBWzk2I29bDmV5CmZ+IrZLJw+0X9bML6YQhyPMGmxkE6vCi0WjJuvFpC+TMjnweIvtBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:09.669922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059197
observed cd71ed5f104f18d4d5921dd9bd9eb32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.654440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059197/manifest.json
observed cb1726a88d5a9c02afb18929d0ca15fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.635750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059197/publication.md
observed 4f1d31ebb56f61dc35b14446692d5134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.618404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059197/publication.txt
observed eaa3bc205a2c864e3d1ccf4fea4d6b13...
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.