OpenTechnical

OT-2026-000014933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000014933) never changes.

Identity and time

Publication numberOT-2026-000014933 · never reused
Internal UUID01a0ae6d-d095-7b9d-9cde-2afb9b4d1a09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014933
StatusPUBLIC

Content hashes

Canonical textb14472ee2b00d832533931fbeb7c27dba0a3d7de7e71f738fa80dfb3c60ebf3f
Markdownbe6a1918543969157bb9202890290dfd5a88242c4ee54a29e611a88d5b5a3682
PDF
Publication page8cc7bf083864da367abacfb713fbfcbb3c3f1a1685f0d098110b2292b75493c6
Manifest1c3efb05850729c4e2de25af822aa4ef79821bb5e15e5a4c13765ca559ca2977

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
SignatureNri20KiCKdZc8zfscaNF5Q6Db1IlCzW3dOQB7ZMGKri6VdgGnXKiBkQE1zq/pK4L01+bMq4NDyDhMXRsN5XpDw==
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

2026-09-17T12:06:52.574472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014933
observed 8cc7bf083864da367abacfb713fbfcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.553678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014933/manifest.json
observed 1c3efb05850729c4e2de25af822aa4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.534263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014933/publication.md
observed be6a1918543969157bb9202890290dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.513414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014933/publication.txt
observed b14472ee2b00d832533931fbeb7c27db...
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.