OpenTechnical

OT-2026-000065423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000065423) never changes.

Identity and time

Publication numberOT-2026-000065423 · never reused
Internal UUID01a0ae8e-46f9-705b-a24f-f953a23c5678 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065423
StatusPUBLIC

Content hashes

Canonical text64357c4b0a459a61f400cd0c977bfce5b8c26d583fb08a1221e080d077ad737a
Markdown4849d25bc46acfa3274215c11303e2bb32581c0c2a6eb0cdde74a8c13e34efdb
PDF
Publication page24c83c069f1eb7cd45f0bcd7886c0e83b90ea032fd8556c004c101aa5574dec7
Manifestb0dfeee81bb78be46af7fbe2ee0c5fde9e22187a27db76fce00b555c2f1bd2b1

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
Signature2i7S73J2QWt554w4f+5QJcqmaapEej3Y+WqNYjYyhbrg0FkETdhRU0icGhAbVBfs9iksUi38nBiy3CDgUqPFAQ==
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

2026-09-17T10:33:41.522894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065423
observed 24c83c069f1eb7cd45f0bcd7886c0e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.506613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065423/manifest.json
observed b0dfeee81bb78be46af7fbe2ee0c5fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.488815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065423/publication.md
observed 4849d25bc46acfa3274215c11303e2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.468977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065423/publication.txt
observed 64357c4b0a459a61f400cd0c977bfce5...
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.