OpenTechnical

OT-2026-000017249

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line 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-2026-000017249) never changes.

Identity and time

Publication numberOT-2026-000017249 · never reused
Internal UUID01a0ae6e-76c8-77d9-9840-5df61030ba10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017249
StatusPUBLIC

Content hashes

Canonical text532ce94b485b90d9cb6cd9cabad88c228118ede3cbb370b5ccbb8ca81e1fc081
Markdownd3d49cd707c94631fef020f5d1ec5784431d442d6f9eed8d51445a0c0d3d53e1
PDF
Publication page1e98ea771ed65494ac87da6ba7c20f62d5f35e29f77d64fcf7677b2bd25aaa15
Manifest1fe0f51849d776e0683ee957cf021218fe8f5399ae47cd84dbcf5d20e2687b78

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
SignaturekyrSvj36B8ntly9tBGeW0ps9+dfulAEE/DfMtayfVGhBD+sfBJJ6ZoYrO4b+NovIQnPLfzxyFG1PfICpC8UCCg==
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

2026-09-17T12:02:20.088705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017249
observed 1e98ea771ed65494ac87da6ba7c20f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.072333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017249/manifest.json
observed 1fe0f51849d776e0683ee957cf021218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.055896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017249/publication.md
observed d3d49cd707c94631fef020f5d1ec5784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.039190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017249/publication.txt
observed 532ce94b485b90d9cb6cd9cabad88c22...
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.