OpenTechnical

OT-2026-000103821

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000103821) never changes.

Identity and time

Publication numberOT-2026-000103821 · never reused
Internal UUID01a0aea4-e463-794a-a073-ac16569cec70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103821
StatusPUBLIC

Content hashes

Canonical text168c02b2b12ddb9a16cc2c8194893ce47c3d30c30b61da2bea35bf7a3cc9738c
Markdown8fcac1319d2d87510db87df802a237bb2c48262720e07e36bc130a6052bdd604
PDF
Publication page6ab69d908eb01f4a5b1574b3305a94c514c152295b6e362d7e07a472c8d365e1
Manifestdfbf905a4dda3f4075eceeb23ab9c3760323afc1a9ec9029b7a0e94a92c530fa

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
SignatureO8NOHgK+K9kil3ncmHe5Hu1iJLXrf7iwACWZruGGQlZ+udnNUp9QHOM4DPnqjZHg9bRGSD9RXHtUxA2SrY72Ag==
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

2026-09-17T09:22:46.711062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103821
observed 6ab69d908eb01f4a5b1574b3305a94c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.694750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103821/manifest.json
observed dfbf905a4dda3f4075eceeb23ab9c376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.679050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103821/publication.md
observed 8fcac1319d2d87510db87df802a237bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.661786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103821/publication.txt
observed 168c02b2b12ddb9a16cc2c8194893ce4...
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.