OpenTechnical

OT-2026-000012132

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000012132) never changes.

Identity and time

Publication numberOT-2026-000012132 · never reused
Internal UUID01a0ae6d-39f4-79b8-8fc3-8532406cd047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012132
StatusPUBLIC

Content hashes

Canonical textfb1fb340fc222c69b0c178f005cfc1f8ded690e24a6fbc2b8fc30c34ffe77e42
Markdownf42b818a597957debd028738bc5b3327925175a87335e6e90788d60c85b79e1d
PDF
Publication page151cc97b7f0aa1f5b50ac5a0b61b425faa237b722b65e66893af23e7af7eb05c
Manifest444568086e88ad8533123d21d1caf85853924dfa02945f96259362060b7550bf

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
Signature4fnfUxH5LJ9WlcR8/zFO0u337wwpN6BKOfBKhzZkVY0IPwVafeo8gfxj4Iv8mvmR5E/DP955U7cQ3ZbnIhZdDg==
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

2026-09-17T12:11:01.142133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012132
observed 151cc97b7f0aa1f5b50ac5a0b61b425f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.122509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012132/manifest.json
observed 444568086e88ad8533123d21d1caf858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.103152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012132/publication.md
observed f42b818a597957debd028738bc5b3327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.082880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012132/publication.txt
observed fb1fb340fc222c69b0c178f005cfc1f8...
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.