OpenTechnical

OT-2026-000077667

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000077667) never changes.

Identity and time

Publication numberOT-2026-000077667 · never reused
Internal UUID01a0ae95-2ecf-78bc-b3e1-d3e9dc36d7f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077667
StatusPUBLIC

Content hashes

Canonical text0925355a03bb59c43b2672f5bc21d3c64adf628f86ced1ffe2d59515917e8220
Markdown4207ea41008d78ac313ec9cf27c79ac513608bb95599e219c9f51e8b60111067
PDF
Publication page9276dea2a0225ac09dc5d2409f7b9acf856dea45ca93012384af36f2176757a9
Manifest740e58eb6e1f3b63107f1e745e0c21875c29cb879a7af848d02313cd164b6ede

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
SignatureQS+wa1QqudMWRIrZnL/ifzFFTL+WI4qDVZ6FPxbQkXn1RCYIJGj0Ng7hwoTnz+XdSnwZyv65NOFtPceVI2v/Dw==
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

2026-09-17T10:07:14.217553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077667
observed 9276dea2a0225ac09dc5d2409f7b9acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.200598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077667/manifest.json
observed 740e58eb6e1f3b63107f1e745e0c2187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.182014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077667/publication.md
observed 4207ea41008d78ac313ec9cf27c79ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.163145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077667/publication.txt
observed 0925355a03bb59c43b2672f5bc21d3c6...
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.