OpenTechnical

OT-2026-000090763

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000090763) never changes.

Identity and time

Publication numberOT-2026-000090763 · never reused
Internal UUID01a0ae9c-7f31-7d34-8071-b7f313203884 · 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-2026-000090763
StatusPUBLIC

Content hashes

Canonical text59cf44afb24e68fc260aecb32f63de83eb5e6ad995072bb8057a8339fb9964cd
Markdown6f7f264740dc2857aa6021d7b8b8b4b1a83cbff97277276dec2f623771a973da
PDF
Publication pagebb7eddad6b3d54d42b19e45f6b327392837e125844d96736b7af1a9c1a6dc6cb
Manifestf021a7e2a643848d5ad261da9ecd5457ca54d4b7494e387674056d2fe8723ff7

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
SignatureGgr0SlcDvnxRMckFMGk1WT+2t2ulSUfzLy/O4pxBZg5E6516el7Aa8jWk12ZFBpaJ+2Xy2oIxzORDFKfIE9aBA==
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

2026-09-17T09:44:57.626781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090763
observed bb7eddad6b3d54d42b19e45f6b327392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.607267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090763/manifest.json
observed f021a7e2a643848d5ad261da9ecd5457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.586710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090763/publication.md
observed 6f7f264740dc2857aa6021d7b8b8b4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.565734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090763/publication.txt
observed 59cf44afb24e68fc260aecb32f63de83...
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.