OpenTechnical

OT-2026-000017899

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000017899) never changes.

Identity and time

Publication numberOT-2026-000017899 · never reused
Internal UUID01a0ae6e-96fb-76c3-b618-ba1ebdb3fe6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017899
StatusPUBLIC

Content hashes

Canonical text88d9773b560252e4d8c5995240cfdfc9f19df4a89682c98dc1e9021472ae3bd5
Markdown8d03227401a37665037ad6bfa9b327ff3226e9b0121ff7e8067e5003e63f8064
PDF
Publication pagec5bf793fa38a301091f9eb77d571fe659a871be60574b1bade80c1489bd41937
Manifesteb86267b1aafacbcc15b3ed4b278edaa05d2a98e89dba1818bad61306e8d2778

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
Signature5a6SBeijshexpVMyLlDk3ZYkvOrB2OyoF1Xt1TR5+4R+DZNNpNGYuLhSZynMYEyqtXhniuDuIeq4qLjO0QFlDw==
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

2026-09-17T12:01:53.349789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017899
observed c5bf793fa38a301091f9eb77d571fe65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.334091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017899/manifest.json
observed eb86267b1aafacbcc15b3ed4b278edaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.319708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017899/publication.md
observed 8d03227401a37665037ad6bfa9b327ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.304920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017899/publication.txt
observed 88d9773b560252e4d8c5995240cfdfc9...
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.