OpenTechnical

OT-2026-000085230

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085230) never changes.

Identity and time

Publication numberOT-2026-000085230 · never reused
Internal UUID01a0ae99-43bb-7270-b29c-8ff00235028d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085230
StatusPUBLIC

Content hashes

Canonical textfeb661be3dd76b931aaf383d3b9cad55e7909269ba562dd23e2a2e29e89a8a41
Markdown737bbb6a183da8b067fc1bd19f3c13166106b25aee69d2009ee848c5806295c8
PDF
Publication pagec3e98a9f0593a7de51caaf8805d7fa2703b185bf9591ac1f199fd3b7857d4b22
Manifest571fff2d7ad90ba34ef436313270cac34d2f1f4fbbc980a067a87a836d3befd4

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
SignaturecdrbjgPdTRQUcauGDTCDWB0J4EqjYrCvXQA6av+6tPpFqldSRvPeoOWNbSJCBkshHXslN4ppBDuRPaHzDy1VDw==
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

2026-09-17T09:55:19.626625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085230
observed c3e98a9f0593a7de51caaf8805d7fa27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.608040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085230/manifest.json
observed 571fff2d7ad90ba34ef436313270cac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.590223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085230/publication.md
observed 737bbb6a183da8b067fc1bd19f3c1316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.571925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085230/publication.txt
observed feb661be3dd76b931aaf383d3b9cad55...
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.