OpenTechnical

OT-2026-000090594

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090594) never changes.

Identity and time

Publication numberOT-2026-000090594 · never reused
Internal UUID01a0ae9c-7f2f-7b7f-bb1d-61a893712f0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090594
StatusPUBLIC

Content hashes

Canonical text4ac150a79a8e875263aba8ab249f46a2409a6c3758a54d7a5850b6afef4a08e1
Markdowncc42c63eb6d4fb678419ab3da1ec10c822d129939067d9b5561fe6b19072ade5
PDF
Publication page6191413832a7d4e70035164613c23e75035249217bf11dfea59533131dfde6f0
Manifest5c2dddf37c5d71559bd2046643babaa9445861f1284fe678007db9425f63e0b8

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
SignaturecNUwrGDSTErF0a4jskpzFKQybk/+ldnGsaqxmGYD76fmik04JZQTfgYqw1TwJwnVvk9ugA9jPqqlrYsB4t/sAQ==
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

2026-09-17T09:44:46.743601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090594
observed 6191413832a7d4e70035164613c23e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.726587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090594/manifest.json
observed 5c2dddf37c5d71559bd2046643babaa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.708560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090594/publication.md
observed cc42c63eb6d4fb678419ab3da1ec10c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.691337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090594/publication.txt
observed 4ac150a79a8e875263aba8ab249f46a2...
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.