OpenTechnical

OT-2026-000044005

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000044005) never changes.

Identity and time

Publication numberOT-2026-000044005 · never reused
Internal UUID01a0ae7b-d679-7cff-8ff4-9bfd34bb9402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044005
StatusPUBLIC

Content hashes

Canonical text0879ec19ce9f75e03c58ef780c30cdf62c1b9b86f496a8c3bd6108602f7f701b
Markdownf898bcf9111ea94d8998d9ecd63fc55b3248f335747b349c9371927b5c3acdea
PDF
Publication pagea1ff38a5a54608df9836784835ed660c386d22ef3641aa18249d7a767ed35623
Manifest55e45a267d3f9376090958df92fb36e7de30317846700107ed563c49714e1883

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
SignaturexW/60bJjNw9zFzn69kJJFFWvkrJ7wKQte5S9Paq7Ck2sgks+pNWYU13b+5t8JWE3cm4IDjZK+tRvv4wtRUC6CA==
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

2026-09-17T11:12:22.945193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044005
observed a1ff38a5a54608df9836784835ed660c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.926891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044005/manifest.json
observed 55e45a267d3f9376090958df92fb36e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.908180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044005/publication.md
observed f898bcf9111ea94d8998d9ecd63fc55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.887865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044005/publication.txt
observed 0879ec19ce9f75e03c58ef780c30cdf6...
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.