OpenTechnical

OT-2026-000097435

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097435) never changes.

Identity and time

Publication numberOT-2026-000097435 · never reused
Internal UUID01a0aea1-55b3-796f-b6c3-15c314a05a86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097435
StatusPUBLIC

Content hashes

Canonical text0f9581635907cc02d0d021a0e5e8e039fcc89c3174bc1711304d060156291078
Markdown71d9d67c5cfd40baea90299a60b9c2fac7a039b4e51ea3f168475ec6b9b8613c
PDF
Publication page64f984a5a6354ef602cd13d0867574fb4a553366f9585c70cd6471f6f6ebd751
Manifest9e8ebda3e55819bcf0870958bf76f01ad79674e9e9a977530aebdcddcdfa67b1

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
SignatureSJuVM1GWyjqEn31lmFUdAzAOu36MeVnddRK5MO6KFr1ekR+FmfbDgj5gl8FjY20BDreqWx7sVpDfkGycNHusDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:17.606787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097435
observed 64f984a5a6354ef602cd13d0867574fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.588030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097435/manifest.json
observed 9e8ebda3e55819bcf0870958bf76f01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.567374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097435/publication.md
observed 71d9d67c5cfd40baea90299a60b9c2fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.550357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097435/publication.txt
observed 0f9581635907cc02d0d021a0e5e8e039...
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.