OpenTechnical

OT-2026-000013107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000013107) never changes.

Identity and time

Publication numberOT-2026-000013107 · never reused
Internal UUID01a0ae6d-6fc8-7406-abaa-126017644d1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013107
StatusPUBLIC

Content hashes

Canonical textdf61d9b6eb4799ad3ce9b55dd06e5c12c485c9d4dc66a56d79ad3e70919559ed
Markdown1de4e46c8f1bfd3a9ae8ed52c004428029310479a4a90ae0f00a3348df952817
PDF
Publication pageda886ff60c6cf0509aa153e232d959c72391d4e31983fe6984e414c3254bc7dc
Manifest387ad5795f921c5562b976eee9ea426d4c542a597b8f33c0fb8b028c18adb62d

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
SignatureRPFfRiha5F5/OpkXFMsur7ixF9Y4wNx2mOZjeRH82PMkBWbd52TtcMz4m4PZdLxRMmK5V0acuRignJ6qUbHBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:23.413474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013107
observed da886ff60c6cf0509aa153e232d959c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.392231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013107/manifest.json
observed 387ad5795f921c5562b976eee9ea426d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.372113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013107/publication.md
observed 1de4e46c8f1bfd3a9ae8ed52c0044280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.351365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013107/publication.txt
observed df61d9b6eb4799ad3ce9b55dd06e5c12...
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.