OpenTechnical

OT-2026-000095972

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000095972) never changes.

Identity and time

Publication numberOT-2026-000095972 · never reused
Internal UUID01a0ae9f-fac8-7d99-90e2-9f1152177eda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095972
StatusPUBLIC

Content hashes

Canonical text4d8bba3b7f5493581ff7fc6e18a75a710daf95170bb4f19a130c7b7327bf48c5
Markdown8e31634d5a19ee5d86d05be5e1b627d50fd3d0a03d229f809421d7a0d3488af5
PDF
Publication pagef248c0ef25bfce87951ddd6e107fa29ede0c290c998a7534e61a0874da4ae355
Manifestbeff259a0613abfa64f32c7b32f27e26a60fa5978dbaa5dc39c79d0f01205541

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
Signaturetb6ozPN8sipqOgynjbTz4KEIQj5AmVsFZSM47ZANCUk4VffpBDDcQfbegRBlVdQ3C8KDqMAMwMaDXytrbrWcBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:05.537200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095972
observed f248c0ef25bfce87951ddd6e107fa29e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.519634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095972/manifest.json
observed beff259a0613abfa64f32c7b32f27e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.503354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095972/publication.md
observed 8e31634d5a19ee5d86d05be5e1b627d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.485345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095972/publication.txt
observed 4d8bba3b7f5493581ff7fc6e18a75a71...
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.