OpenTechnical

OT-2026-000017790

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000017790) never changes.

Identity and time

Publication numberOT-2026-000017790 · never reused
Internal UUID01a0ae6e-96fb-7e72-8b31-270b79874d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017790
StatusPUBLIC

Content hashes

Canonical text0ff3340a1606cbb9ad8d47e35c1a90216de7798fe9a599c25a5a0bcadb73c745
Markdownd0297b08d16b0776560079ca612bfdc06dc33749cb4c4446a7d2e9d31a646a7a
PDF
Publication page56fe4a71dfebce9ad0c1a0fca41589298d496ccb19a5e1da89238e105b9d557f
Manifestc4b1491f55df911d972d7bec0018c3b39bec861bcc810fdc5f89a3eb73579ad0

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
Signaturej7IK53/wJo26ohp3xZGq5o4hqpvvxC/nbtDAv/Rr0dpIkBA2P9NHCuxwoRvsPZqknwyPOwYxQvt/QwOypJnPDw==
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

2026-09-17T12:01:45.293293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017790
observed 56fe4a71dfebce9ad0c1a0fca4158929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.274150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017790/manifest.json
observed c4b1491f55df911d972d7bec0018c3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.257375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017790/publication.md
observed d0297b08d16b0776560079ca612bfdc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.238479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017790/publication.txt
observed 0ff3340a1606cbb9ad8d47e35c1a9021...
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.