OpenTechnical

OT-2026-000076956

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000076956) never changes.

Identity and time

Publication numberOT-2026-000076956 · never reused
Internal UUID01a0ae94-b071-7038-973c-8f247eb028a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076956
StatusPUBLIC

Content hashes

Canonical text248337428ff149b690f359a4dd15e6535bee81f780d17ba2c7089d43e3443d59
Markdown93e838e32af6917d0a00127102a82dab605954a33bc999afb2eaf2415ce88f30
PDF
Publication page6dbdaaa2c4ab134a015b3e34a77f20cf6fe47d3dc59c27e1133829ed7acbf6e0
Manifest38aec4ec6e7b613f295bbf46266255cc472b7694029a9127cb6bcf60b1b3b4a3

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
SignatureioGAqhed+zwWWyuq4zpumtUbKqrShXOAPIFByfcDRFSnj1Z7R5fHWT4xXS0jR1W6Osfl6oZMqwytvx7gFdQwCw==
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

2026-09-17T10:10:08.996671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076956
observed 6dbdaaa2c4ab134a015b3e34a77f20cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.545213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076956/manifest.json
observed 38aec4ec6e7b613f295bbf46266255cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.523487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076956/publication.md
observed 93e838e32af6917d0a00127102a82dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.500245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076956/publication.txt
observed 248337428ff149b690f359a4dd15e653...
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.