OpenTechnical

OT-2026-000039021

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000039021) never changes.

Identity and time

Publication numberOT-2026-000039021 · never reused
Internal UUID01a0ae78-9672-7815-bf3c-a59e52042197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039021
StatusPUBLIC

Content hashes

Canonical textd4eca771b2ef24a9b1d014e5ee06e4d91abaa98747fb0ed7bec73d199b7f825d
Markdown9007e478ba5a2f23f8c766d0ae3cda0d673363acd3cdfadc60f67b231c541aa9
PDF
Publication page061272aefb2e8acb86787788a32e3fdbe298274effbc9d8c5cf7e4f631435bae
Manifesteca1c03e7c9f502941dfa4f766aea46c74e0feeef3d13d16ed26add355d6fdc6

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
SignatureIyVx/XcJ0Sky7dQcUgQLY9YX6VegyEJ21/JGy47n3hvTfggA3E/XUW7b9p/SxOzgjBUc5KB5R8OYaVQhT7sgAA==
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

2026-09-17T11:20:21.995111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039021
observed 061272aefb2e8acb86787788a32e3fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.977641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039021/manifest.json
observed eca1c03e7c9f502941dfa4f766aea46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.959245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039021/publication.md
observed 9007e478ba5a2f23f8c766d0ae3cda0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.939004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039021/publication.txt
observed d4eca771b2ef24a9b1d014e5ee06e4d9...
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.