OpenTechnical

OT-2026-000030370

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000030370) never changes.

Identity and time

Publication numberOT-2026-000030370 · never reused
Internal UUID01a0ae73-e501-7df6-9f86-90a90ff75cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030370
StatusPUBLIC

Content hashes

Canonical text3995e327e3bcbf8d83045fbe1178ff91fea4d3119d06b1dca784ee2b62e542ab
Markdownff6696921b82af79a975cd376605929d2560a49507550b4b3ad01e1013b87c54
PDF
Publication pagec414550f899c9ccd2116303674432336535b3bab5721e7f0a7be9768f607ea64
Manifesta2eab7c62f974fc0c9d19dbfe6b54737d48047a2ec1a311b771c145070fd510d

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
Signaturez6QaciBkD2qsrd5GQuBcypCDwjxdwDjfyCf71R3CbkpH046hagGcn1UqPjs1h9Q+/4l5Z/BBJvfF/qtomzsMBg==
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

2026-09-17T11:38:05.582875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030370
observed c414550f899c9ccd2116303674432336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.566026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030370/manifest.json
observed a2eab7c62f974fc0c9d19dbfe6b54737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.547676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030370/publication.md
observed ff6696921b82af79a975cd376605929d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.528929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030370/publication.txt
observed 3995e327e3bcbf8d83045fbe1178ff91...
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.