OpenTechnical

OT-2026-000068765

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000068765) never changes.

Identity and time

Publication numberOT-2026-000068765 · never reused
Internal UUID01a0ae90-6dcb-75b5-9bb1-740785839ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068765
StatusPUBLIC

Content hashes

Canonical text90e6e679c34a6c038e033fdda7d7abb73ee5256af107185a2ee705edf5b8e580
Markdownd501d18d8be7a761c85c775f3cb0e8c08c923d3477b632206799a57c51c8bb17
PDF
Publication pagec97ed344daa92fda299831535174025880b59875b2cacc0e8f163527cf9e44a9
Manifestdb82248c80e5b5492832a912d271602bd5f535ad592725800178e596242b674f

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
Signature8DP7in+gSmxgAEpevY0C8j8Ck80PATgbFN+8XiSQWco94Zav/PWUhpSux4ssL5EzCFUv7ENm4VSma2Z3UlLbCw==
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

2026-09-17T10:28:33.170106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068765
observed c97ed344daa92fda2998315351740258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.152227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068765/manifest.json
observed db82248c80e5b5492832a912d271602b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.135407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068765/publication.md
observed d501d18d8be7a761c85c775f3cb0e8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.118408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068765/publication.txt
observed 90e6e679c34a6c038e033fdda7d7abb7...
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.