OpenTechnical

OT-2026-000021296

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000021296) never changes.

Identity and time

Publication numberOT-2026-000021296 · never reused
Internal UUID01a0ae6f-865c-721c-b30b-71b54f4f3e5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021296
StatusPUBLIC

Content hashes

Canonical text3af034cae2db2d381e51050c63d51d70e1acb4f5434c83cc518be7e7fd4dfe2e
Markdownffdcf9dc64b6f2875d2ae85f0a10c2e27f996856a864548a3d811e51f9813ad8
PDF
Publication paged05f4265cb5c584e5c444b29250696fdf6f31a638dcc31dbf1318540b157127a
Manifestfb198a8523263301e56b3e6a7ff66b9ec728b93e62e7a230c38da3609c2a7a33

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
SignatureUwxh5A0DU4kBLXPIjkH4e9XBtaoUxO0zyPrvNuRdgy4RQa0fvGRIk15V0rNNLYljjr8O0+L1NKG88BqqxXiMBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:07.965566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021296
observed d05f4265cb5c584e5c444b29250696fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.947018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021296/manifest.json
observed fb198a8523263301e56b3e6a7ff66b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.929447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021296/publication.md
observed ffdcf9dc64b6f2875d2ae85f0a10c2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.910953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021296/publication.txt
observed 3af034cae2db2d381e51050c63d51d70...
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.