OpenTechnical

OT-2026-000018267

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000018267) never changes.

Identity and time

Publication numberOT-2026-000018267 · never reused
Internal UUID01a0ae6e-b488-73f3-8dc1-dc5924f6276a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018267
StatusPUBLIC

Content hashes

Canonical text3df44da712b087edf2dc171e0992a8808f2170b02ce3bb7c192986924f587abb
Markdownfbec62984af98a87aa8a688863fbb49ecc152cec94bb7ce44d138c1c2c097328
PDF
Publication page16581d8cdbf70647b2d479065ea5655279fc0f1763e4c81dad73bff2bb0cdc37
Manifest51a0a8ae0db773dc01b002d97f184aeee6de5222dce72b8c6ba708143c26ea37

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
SignatureWzRN0/RTVFbz2/WqgbE5eT2GLEj2UZ4zXjqgb9XoxmjL4yNjfsE5EsZpq0vJyHPL26RDv331u1LLJV5jp4CIAA==
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

2026-09-17T12:00:06.558504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018267
observed 16581d8cdbf70647b2d479065ea56552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.536969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018267/manifest.json
observed 51a0a8ae0db773dc01b002d97f184aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.509707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018267/publication.md
observed fbec62984af98a87aa8a688863fbb49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.486154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018267/publication.txt
observed 3df44da712b087edf2dc171e0992a880...
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.