OpenTechnical

OT-2026-000075978

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000075978) never changes.

Identity and time

Publication numberOT-2026-000075978 · never reused
Internal UUID01a0ae94-2a00-7c80-822b-e189a48ad854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075978
StatusPUBLIC

Content hashes

Canonical texta0b48483c0c6fecb23cc6660789825782130b52d72f50a99d3e4a4b9f2707c3c
Markdownd28f0428e35f7ccce82482c120edc33a0a6d35086bb921e949ba72ca8fbc6812
PDF
Publication pagecd1de8651ad468bb4e5bd871c9e57efa24feb7dbd0b0699de8f277099d619ed0
Manifest076edbd3df8dd27962a227f2570734e420edb58abea926de84dc32d0e596756f

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
SignatureqqghQMD1VBAtnYs8do+kKPzBfZNfGDA6w0z4jGQs+u9ze6zezlE1FmbVODQ1hqbfDnpvwDIoAMq3rLwlsC85Cw==
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

2026-09-17T10:20:13.215890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978
observed cd1de8651ad468bb4e5bd871c9e57efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.196062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978/manifest.json
observed 076edbd3df8dd27962a227f2570734e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.176728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978/publication.md
observed d28f0428e35f7ccce82482c120edc33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.159494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978/publication.txt
observed a0b48483c0c6fecb23cc666078982578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.063919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978
observed cd1de8651ad468bb4e5bd871c9e57efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.046268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978/manifest.json
observed 076edbd3df8dd27962a227f2570734e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.028254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978/publication.md
observed d28f0428e35f7ccce82482c120edc33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.010880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075978/publication.txt
observed a0b48483c0c6fecb23cc666078982578...
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.