OpenTechnical

OT-2026-000083049

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000083049) never changes.

Identity and time

Publication numberOT-2026-000083049 · never reused
Internal UUID01a0ae97-c961-7c9b-89e1-a9d939ca1c3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083049
StatusPUBLIC

Content hashes

Canonical text0cfe77ce1dc3ef85b2586458cc4fcee2d943f5244ffd6ee7c29d2c5b3aa55422
Markdown755256045dab68f9c2ffe89a50e9a05a21c787c3712c754a9dea8f524428031b
PDF
Publication pagef8dae329bde06d392249c45fae3161005699193bfd5ab551be23dfff57d9b5d5
Manifest2634c1fb47fee3d50391c0d3544d4ec4742663474a68129c49f64fc29490f396

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
SignaturePQ3c36UVQkXBdSepXg6fZufOZyPCv+3U/MTxRJBS49hJUo0HVdfF/1GSRyH+JGG5qd0d59HQadSA+u+3it9fAQ==
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

2026-09-17T09:00:25.875779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083049
observed f8dae329bde06d392249c45fae316100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.837159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083049/manifest.json
observed 2634c1fb47fee3d50391c0d3544d4ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.815027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083049/publication.md
observed 755256045dab68f9c2ffe89a50e9a05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.671292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083049/publication.txt
observed 0cfe77ce1dc3ef85b2586458cc4fcee2...
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.