OpenTechnical

OT-2026-000012678

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000012678) never changes.

Identity and time

Publication numberOT-2026-000012678 · never reused
Internal UUID01a0ae6d-5562-7951-8af3-a924cfafbf7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012678
StatusPUBLIC

Content hashes

Canonical text998e89223a3e1622dbf7c434ef86c3eefc6dd0626f71c869f87fd5def52ee54f
Markdown6f5fbc8fc071afd129013205c3ee389a5120fe035a9cf4a40f3492a0b7935f9e
PDF
Publication page96ff4a0ee22d8722bae449e2134412709aafe2e70314383d8d6ed3f5d75aea8f
Manifesta6f302c361a19960b128f6613b3635860a47a0579a455b0063b619b8f71f120b

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
SignaturepgtLhkFLHKZx5m7hY8bNDd7ttfmUREzp2oMcOAR77YwSy+y5fHhQEha2iBFiL8fu5lG9TnkLo89CYVPWY3swAg==
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

2026-09-17T12:10:19.504947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012678
observed 96ff4a0ee22d8722bae449e213441270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.484609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012678/manifest.json
observed a6f302c361a19960b128f6613b363586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.461609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012678/publication.md
observed 6f5fbc8fc071afd129013205c3ee389a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.444165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012678/publication.txt
observed 998e89223a3e1622dbf7c434ef86c3ee...
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.