OpenTechnical

OT-2026-000083129

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000083129) never changes.

Identity and time

Publication numberOT-2026-000083129 · never reused
Internal UUID01a0ae97-c962-7374-a1c4-e292561194c3 · 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-2026-000083129
StatusPUBLIC

Content hashes

Canonical text48422d42bde1542593169192cc06a903965dd76abceb644eb039d63b37ae3d16
Markdown0e3706e43d80dddebb305bd6a118ac17f2f7684d5e4efd9be116a9aa7c36ef29
PDF
Publication page67e9f319569ba07ac8c207b38156ea58263d3cfdffb7cdbbd12c70952917d227
Manifest4336cca64addaaa521a9abd51074a890236c2dee07ec0c9a0fb4eed75c4664ec

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
SignatureW9Cxubib70hxU/u8eeqqMZfz0WsbdF7QC/a84H65ymWwXlnA4uHUi8SAphW7zVcwtj+4yeO9TgJUPvMLLruJDQ==
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

2026-09-17T09:00:45.411490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083129
observed 67e9f319569ba07ac8c207b38156ea58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.393526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083129/manifest.json
observed 4336cca64addaaa521a9abd51074a890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.374145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083129/publication.md
observed 0e3706e43d80dddebb305bd6a118ac17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.354852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083129/publication.txt
observed 48422d42bde1542593169192cc06a903...
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.