OpenTechnical

OT-2026-000064329

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064329) never changes.

Identity and time

Publication numberOT-2026-000064329 · never reused
Internal UUID01a0ae8d-a460-7041-a0c1-8a2a4a52c88a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064329
StatusPUBLIC

Content hashes

Canonical text846b66bdf648f7bc115e796782b54feccc20b43da80f0a205c48f4e9017cb399
Markdown3697321612d4014a60ef7f8e98fd4072ff368030c08502073216beed56d61315
PDF
Publication page2fb213625789cb72828bd5785ef419f2ddb84f6acf8466291294a8b5bc2e0fca
Manifest209b08a6014baa8cad0ab65f067d6794fb5c269f3b95eeef36aaa8f3ff2e7ad8

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
SignatureOOGP/ahXNbK+ZILCidp9fOKJKJhFumJPs3ezkCpDaa22aP3FCA6GbtNC22YQ8P+Oz8nhFQSBIuH2DEggZ1nkAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:29.045380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064329
observed 2fb213625789cb72828bd5785ef419f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.029046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064329/manifest.json
observed 209b08a6014baa8cad0ab65f067d6794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.012892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064329/publication.md
observed 3697321612d4014a60ef7f8e98fd4072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.996896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064329/publication.txt
observed 846b66bdf648f7bc115e796782b54fec...
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.