OpenTechnical

OT-2026-000046727

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046727) never changes.

Identity and time

Publication numberOT-2026-000046727 · never reused
Internal UUID01a0ae7e-57df-7b2c-bfda-995d8f88f45f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046727
StatusPUBLIC

Content hashes

Canonical text5605b3e1c5e990087a2522f0870ac6337520324310e5bfcd3a1d300da3ab292a
Markdownaf9e78dbd1b9617ed581f23eb14031c152d121ff4d16cd1cfb4154e9b5caae66
PDF
Publication page21301fccd4c2b7f8f943e6d880c2e26def0cc1171005e555fed682069f830cf3
Manifestbb57c5888d9840fec414a5ab7e1bcf5404cbfaa854275516f610e1bfdf0d8e40

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
Signature7sCIXOjM6RormVjZki7mFCB4whSOK5uIeUis8q3zUZ2XcmK3kjX4cqhn2yrKORM9xdAMsoE8NFeoyxvINyeRAA==
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

2026-09-17T11:08:57.193741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046727
observed 21301fccd4c2b7f8f943e6d880c2e26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.174797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046727/manifest.json
observed bb57c5888d9840fec414a5ab7e1bcf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.155745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046727/publication.md
observed af9e78dbd1b9617ed581f23eb14031c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.136140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046727/publication.txt
observed 5605b3e1c5e990087a2522f0870ac633...
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.