OpenTechnical

OT-2026-000044007

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000044007) never changes.

Identity and time

Publication numberOT-2026-000044007 · never reused
Internal UUID01a0ae7b-d679-79bc-8315-8794e6369d17 · 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-2026-000044007
StatusPUBLIC

Content hashes

Canonical texta6022f16be346f4fe8e2eeecd542b344c453a5ad27a5118d769bab18e9b2696c
Markdownc9658db32d65190c1d5ca0a79cc6f268972a9c551694558c2d2e060b5005a111
PDF
Publication pageeef4fe963ea117b88c36ff120d622d85e4cdba0523c6117efdbaee6c729ab627
Manifest76cd449ed4c1c3202295c067aa9a7d23e15130fed9cb171855e4df1226fb2527

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
SignatureIe5z84tAqu9Dtc4XzUBeNUuFS6MCvFHLf17OC/rTUgzALasRHE9RfHyCvhGNFv5HdTfAmaBXTOpNWLQPywvQAA==
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

2026-09-17T11:12:23.099585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044007
observed eef4fe963ea117b88c36ff120d622d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.079800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044007/manifest.json
observed 76cd449ed4c1c3202295c067aa9a7d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.060040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044007/publication.md
observed c9658db32d65190c1d5ca0a79cc6f268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.041003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044007/publication.txt
observed a6022f16be346f4fe8e2eeecd542b344...
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.