OpenTechnical

OT-2026-000103975

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103975) never changes.

Identity and time

Publication numberOT-2026-000103975 · never reused
Internal UUID01a0aea5-15e8-79ae-99ba-cd0258a33e57 · 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-2026-000103975
StatusPUBLIC

Content hashes

Canonical text6951915b8abcef8f1f33d72afe42364f5361ab37b66f75d8ef7178b0410eff19
Markdown06c71c2069798ade33c84c5165866e18f2b52a675592ff1671c9512c8e69469a
PDF
Publication pageb3b169a26498ddf962052d95fb26893d44c83ca0561ba6f70fbc8a382abc99af
Manifest80612ccfdbdabc8d389dfa249fca4fc61dad719b9df85f06511407510c3cd8d8

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
SignatureAQz+wSJ7eB+c+yU5NhRhLOSmlZr0gGCRQ1U6Dbi/y0os8wi/9P7mhbeqR0WWGmh/ngd7MhGuoQTzbrKtGV86CQ==
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

2026-09-17T09:21:49.251808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103975
observed b3b169a26498ddf962052d95fb26893d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.232217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103975/manifest.json
observed 80612ccfdbdabc8d389dfa249fca4fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.148092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103975/publication.md
observed 06c71c2069798ade33c84c5165866e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.132061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103975/publication.txt
observed 6951915b8abcef8f1f33d72afe42364f...
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.