OpenTechnical

OT-2026-000012725

Publication integrity record

Six 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-2026-000012725) never changes.

Identity and time

Publication numberOT-2026-000012725 · never reused
Internal UUID01a0ae6d-5562-7917-b967-27f8d5ad6597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012725
StatusPUBLIC

Content hashes

Canonical text9382d9aa22c5b0b79debecb1f49827a866ba178eb64de8e57ce2a8dfbadeacce
Markdown45f1873b90d6a205c740efce0f4b62e1ca9676fd2054dcaf9483026b334cd4b4
PDF
Publication page11d0444952e3636c936a8b59c0182275905959441fedd43dc47d24b5fd8d613d
Manifest0f67eee179dd3082dc678e5de70e09af17c9f01f92505f2558319703bd153957

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
Signature+sxpGiA60rASX/hX5/AljD7f0Ln6AOHJ5jK4MYAyeNRDYxqOJbMp7GP5Wg+JtaaDovrSxxonBvq59EJG0gK7DA==
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

2026-09-17T12:10:23.503448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012725
observed 11d0444952e3636c936a8b59c0182275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.483303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012725/manifest.json
observed 0f67eee179dd3082dc678e5de70e09af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.441374ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000012725/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.421670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012725/publication.txt
observed 9382d9aa22c5b0b79debecb1f49827a8...
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.