OpenTechnical

OT-2026-000103982

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after set-down

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-2026-000103982) never changes.

Identity and time

Publication numberOT-2026-000103982 · never reused
Internal UUID01a0aea5-15e8-74e7-ab23-c5593fdc345f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103982
StatusPUBLIC

Content hashes

Canonical text3bbee2144e3c312e827721c1998f2946d3378ac7e22837db13c02f35b6d0ba6d
Markdown2f5930d0bd5b6ec1713311da2070fe88411edfc2b339fcf7b847a1c093872530
PDF
Publication pageed633a0e0fc9a2c881048cdbce52cf580ad4d4a41334228245d22bca2d4658ce
Manifest442ebc36bc7bca6b36e67912da5eabc8578afbdf33e916c4d7e80804f764e797

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
Signature5Y/XECQJf4S25oniuB+AxadXWDUSisq34lSqfCkBZswUzjSp3q4ky+ewBcM97WQ7JBDPimCGBxg+OSwTICx+CA==
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

2026-09-17T09:21:59.203215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103982
observed ed633a0e0fc9a2c881048cdbce52cf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.186833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103982/manifest.json
observed 442ebc36bc7bca6b36e67912da5eabc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.169483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103982/publication.md
observed 2f5930d0bd5b6ec1713311da2070fe88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.153276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103982/publication.txt
observed 3bbee2144e3c312e827721c1998f2946...
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.