OpenTechnical

OT-2026-000041103

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000041103) never changes.

Identity and time

Publication numberOT-2026-000041103 · never reused
Internal UUID01a0ae79-b142-7407-b104-4b1000465a6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041103
StatusPUBLIC

Content hashes

Canonical texta0e138d5bf0e636f0d3a204c8f72d3a55e994e05b3969d9aa6ee45402e447d74
Markdown6837ec07360fee8a4e7fd648b0f04ceb89280a2ac904f548917fe320a16403bc
PDF
Publication pageb7109d729b9778a9b884b715c918f9977c1a72d7d3dc2fca233152b67ae1a03a
Manifest224f4ceb6086c5c2091fa5c39849d3d0b7b434c26c2a56a817601bc7c1095086

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
Signature9iswYgDg7KTHS4pXdEu0GPMeZ4QPyQmxbr/WpJyIBys4wld/db4FsJeFxgs5zixYmzvHt+Gmvgr8zc0BEvOUAg==
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

2026-09-17T11:17:01.380445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041103
observed b7109d729b9778a9b884b715c918f997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.364006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041103/manifest.json
observed 224f4ceb6086c5c2091fa5c39849d3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.348503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041103/publication.md
observed 6837ec07360fee8a4e7fd648b0f04ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.332052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041103/publication.txt
observed a0e138d5bf0e636f0d3a204c8f72d3a5...
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.