OpenTechnical

OT-2026-000012078

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000012078) never changes.

Identity and time

Publication numberOT-2026-000012078 · never reused
Internal UUID01a0ae6d-1943-7d4a-b2fb-8ed92988be75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012078
StatusPUBLIC

Content hashes

Canonical text69d1af238cede64cf6d49489ef0010cb094f8a3a239dd8ccb7da40af7d057afe
Markdowna83f6b25094f425fb05133227b12f8d089619950ff870dae78440ba4de48acb4
PDF
Publication page948730c28e7bb2cbe7b2b91cb95500020b0d55697d79da7783d51d66902b0991
Manifest34ba55a9b2b39a1b0b6daffd8ab12f6347393ad967bd1d43ed13e5ef2cde627f

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
Signaturew5tUH7U/Dwk34DPHpgjrBNBqAWHbi6DACPnaBS3GLh0n9ipPPY3oUvwqAKVQjYC0UtULFAI3HYUMj5KFMqlFDw==
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

2026-09-17T12:12:57.970372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012078
observed 948730c28e7bb2cbe7b2b91cb9550002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.951330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012078/manifest.json
observed 34ba55a9b2b39a1b0b6daffd8ab12f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.932306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012078/publication.md
observed a83f6b25094f425fb05133227b12f8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.911565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012078/publication.txt
observed 69d1af238cede64cf6d49489ef0010cb...
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.