OpenTechnical

OT-2026-000065759

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000065759) never changes.

Identity and time

Publication numberOT-2026-000065759 · never reused
Internal UUID01a0ae8e-46fb-736e-bb48-26ede8001e73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065759
StatusPUBLIC

Content hashes

Canonical textde4454373509d1c82200face903179fad7415797c7e389fbe46b592a08e29495
Markdown20e4a6e350171b593cff67a91f9a1b13197803744dd74baf585fccb4f1e6cc15
PDF
Publication page15e02039c758e00ad1c98f885061da14915300a365778332893b07572edf34c3
Manifest9c8ec122a30bfbd9d9d4e07226bc96a8def1f3a15ad4203cfdc5bb547da14993

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
SignatureCfuiRPRUo2ljSM4PM+R9fBQvwUaP6wt0ikSRo/hLL/pkI3YZg2J60+caLiA4+IhNtGAzO0Al6Bnmdny5cQ5pCg==
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

2026-09-17T10:34:11.571443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065759
observed 15e02039c758e00ad1c98f885061da14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.556174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065759/manifest.json
observed 9c8ec122a30bfbd9d9d4e07226bc96a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.539291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065759/publication.md
observed 20e4a6e350171b593cff67a91f9a1b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.521296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065759/publication.txt
observed de4454373509d1c82200face903179fa...
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.