OpenTechnical

OT-2026-000013368

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013368) never changes.

Identity and time

Publication numberOT-2026-000013368 · never reused
Internal UUID01a0ae6d-6fca-7acf-8597-a2f2915a85fe · 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-2026-000013368
StatusPUBLIC

Content hashes

Canonical texta0cfdb77b145146e01a5231d208921e0bb566a175af2d2b27a8058898f392a05
Markdownbc166fc64e60f5c5bf394a5c99087c752a79cca20018ff20569da11011639062
PDF
Publication pagef1ae576c0ee87d2003fa14de9f61a60dd20a8ab2cbf1e09b612360e72b3d622f
Manifest9c75f0bb80dae8b1636954af2f5c2d50e9abff5c973500c4ff851af1e06ba7ee

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
Signature8QYuhN0JLM07t+pjKVSmG3vznXTkOWrtVpCLcbHCV/SYYoyu/UXUi+Wc9PH/+49k+OI1QVZR1Qbv+kYgXKpADA==
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

2026-09-17T12:09:49.687063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013368
observed f1ae576c0ee87d2003fa14de9f61a60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.667797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013368/manifest.json
observed 9c75f0bb80dae8b1636954af2f5c2d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.646748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013368/publication.md
observed bc166fc64e60f5c5bf394a5c99087c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.623060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013368/publication.txt
observed a0cfdb77b145146e01a5231d208921e0...
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.