OpenTechnical

OT-2026-000043322

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000043322) never changes.

Identity and time

Publication numberOT-2026-000043322 · never reused
Internal UUID01a0ae7b-327d-76de-815a-b5b23d4b51ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043322
StatusPUBLIC

Content hashes

Canonical textc6677b12b5950b12c6002406efc7950a142849a8f3ca668cf00a29788637a685
Markdown326e55d7a5c9269350984b97974caafc02357b0fa7027697d8f46fcf358245ad
PDF
Publication pagebb8f293bba33ef74c47e59cec4c3cc112a7b6342400b6e475a29f0dafb0f0f72
Manifestf6e229fabc1dc84201ff3bd7fadf3fb6305b62a5cc7a424fcc059d074551e83d

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
SignaturemAwS/PZjYjXpmQN74YFt0SGG5XNsRgnKKp6NYDlHPAFRK41fLzwuDoCS+73VoXCauuStdbWlxjAQVv/+dLwDDQ==
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

2026-09-17T11:13:49.657151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043322
observed bb8f293bba33ef74c47e59cec4c3cc11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.638469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043322/manifest.json
observed f6e229fabc1dc84201ff3bd7fadf3fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.618954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043322/publication.md
observed 326e55d7a5c9269350984b97974caafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.600083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043322/publication.txt
observed c6677b12b5950b12c6002406efc7950a...
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.