OpenTechnical

OT-2026-000042894

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000042894) never changes.

Identity and time

Publication numberOT-2026-000042894 · never reused
Internal UUID01a0ae7a-c0d1-7f6c-acc4-3f90afff675e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042894
StatusPUBLIC

Content hashes

Canonical texte1dd0ffd79e28944c6200ea4981e9dc87e4a9e1d9a5e1b6aab1f559156e9b453
Markdown36b4dd5dff39199fb834a933995353bd9544dbf265077ea8cca74c88d1e66e75
PDF
Publication pagea8013801792f9cb0e2a8a2579f29c5a14b36d710d0c66e736c372bd7d8228449
Manifestbded291dce5a235d15400c4ada5dc54d289d07ebf8b2d47e69328b31077188cc

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
SignatureGVuTPqVDjTbfUjgMiQcZ44klnFDLwem6f0RzFEUR+iDqzwc/lbulewGU0a00CxdT1voa+/4ujxgzpg+/bgPNDQ==
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

2026-09-17T11:15:24.016494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042894
observed a8013801792f9cb0e2a8a2579f29c5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:23.994486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042894/manifest.json
observed bded291dce5a235d15400c4ada5dc54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:23.973761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042894/publication.md
observed 36b4dd5dff39199fb834a933995353bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:23.954702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042894/publication.txt
observed e1dd0ffd79e28944c6200ea4981e9dc8...
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.