OpenTechnical

OT-2026-000034867

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000034867) never changes.

Identity and time

Publication numberOT-2026-000034867 · never reused
Internal UUID01a0ae76-1ed3-79cd-9f1f-a1bae0056d31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034867
StatusPUBLIC

Content hashes

Canonical text0aa66ac067b1add56b00e94221a721d91080c6f2ef00699ab7d9aacac6b70f52
Markdownc250312a5827df359a016fc9b8b69307529ace76a5d6435a6f44bb0fca7db7c5
PDF
Publication page6b821edef01ba02557a8461ce4aeed016c1e1588d893407291681964226c916d
Manifest54bc7980003d677a91fefd1467223e2de6382eab16ee42b8d5ac1491fa26727f

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
Signatureo7T87i/KeiaVgm5eZmc9InRlubhubgJ69SU4X/rv6xdlpLT1wCz2GLMsVKMjQhURQg0aPaEmB4bJWkdTTQUKCg==
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

2026-09-17T11:30:31.143752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867
observed 6b821edef01ba02557a8461ce4aeed01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.124232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867/manifest.json
observed 54bc7980003d677a91fefd1467223e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.102765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867/publication.md
observed c250312a5827df359a016fc9b8b69307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.083937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867/publication.txt
observed 0aa66ac067b1add56b00e94221a721d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.004126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867
observed 6b821edef01ba02557a8461ce4aeed01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.987415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867/manifest.json
observed 54bc7980003d677a91fefd1467223e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.971291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867/publication.md
observed c250312a5827df359a016fc9b8b69307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.953257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034867/publication.txt
observed 0aa66ac067b1add56b00e94221a721d9...
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.