OpenTechnical

OT-2026-000030313

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030313) never changes.

Identity and time

Publication numberOT-2026-000030313 · never reused
Internal UUID01a0ae73-e501-7c8f-bcb6-62648332059f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030313
StatusPUBLIC

Content hashes

Canonical text769524ec0139fed62af23a778486ef17ae5293a9963f4baa80d3e7ef7d06a941
Markdown6402aec4f0c5c5d66e8e7e308abfaf10954b5bc2e82c54073b2da0bc58a6d802
PDF
Publication page8b883549609cec353e11198f84d234f024b84abe794ed029c715f3741e0b7ecf
Manifestfd2c438e600fcbb495b267364c036ac72d912f2b511a083db354a140e6b64ca7

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
SignaturekoqDGbJBi9mJ4AXwl+m8+TkLjI5GxWIDuaeYqYN9B/3cTN+qg4m5cx/oDh4PXJartWqhgwKilZyN571yj3j/Bg==
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

2026-09-17T11:38:01.063794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030313
observed 8b883549609cec353e11198f84d234f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.045466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030313/manifest.json
observed fd2c438e600fcbb495b267364c036ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.020806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030313/publication.md
observed 6402aec4f0c5c5d66e8e7e308abfaf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.001175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030313/publication.txt
observed 769524ec0139fed62af23a778486ef17...
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.