OpenTechnical

OT-2026-000017719

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000017719) never changes.

Identity and time

Publication numberOT-2026-000017719 · never reused
Internal UUID01a0ae6e-96fa-752c-9ee7-f4e0321566f5 · 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-2026-000017719
StatusPUBLIC

Content hashes

Canonical text2aaa8e2eeba7f127c2b4b00f30ae39e46a832047703eecbe9534319a9a74755a
Markdownb297684c6c3e1be7c91bb52fe9a253cb1b354a6b8938d7a8f696e6f7aaaee2e5
PDF
Publication pagea704a83a9a2f3faa74c431db35c8789e4a411f3aa3809adef862e29eaf9b7a65
Manifest1f1e977c54973e7b2666975cf619c32e76ad7c3976fef833d2accfb03fc6f6a8

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
Signature5bbILuYEEP6+QkA9Lz1MhSTf4uTCuf1VpHcggbned6SnvoYFTyTya9bm0kk4Hez6h1yRBvJcZIF+FlZqkFsAAg==
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

2026-09-17T12:01:38.810473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017719
observed a704a83a9a2f3faa74c431db35c8789e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.791808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017719/manifest.json
observed 1f1e977c54973e7b2666975cf619c32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.758370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017719/publication.md
observed b297684c6c3e1be7c91bb52fe9a253cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.724618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017719/publication.txt
observed 2aaa8e2eeba7f127c2b4b00f30ae39e4...
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.