OpenTechnical

OT-2026-000014339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000014339) never changes.

Identity and time

Publication numberOT-2026-000014339 · never reused
Internal UUID01a0ae6d-b27a-7e47-8bc0-08ddb0275dea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014339
StatusPUBLIC

Content hashes

Canonical textd7c3cb34c1dc1a2f43515f51c0884ba5886214131d551ebddf792fb178efa439
Markdownebacdfaaad46495c14dc3980784e45a21b133bfcb7ba1c7d13895260849e6646
PDF
Publication pagea8df86dfc250c502e0e823662383f56b91a776c4b42734aa1e1ebc1ca20163ac
Manifestca9009ed6c998432de1e743c2cfb658394a4b153c04657c1c502204f02c5d507

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
SignatureFnHeEJtRgtyA2M5jEy+6u3uGBW0qexrhTi4TCXlfpNlgAnHUbZPONYQbutDeCHCANKe+G8Y0HwUoSKMDbpfGCw==
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

2026-09-17T12:07:34.439547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014339
observed a8df86dfc250c502e0e823662383f56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:34.415778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014339/manifest.json
observed ca9009ed6c998432de1e743c2cfb6583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:34.397265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014339/publication.md
observed ebacdfaaad46495c14dc3980784e45a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:34.376007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014339/publication.txt
observed d7c3cb34c1dc1a2f43515f51c0884ba5...
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.