OpenTechnical

OT-2026-000013992

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000013992) never changes.

Identity and time

Publication numberOT-2026-000013992 · never reused
Internal UUID01a0ae6d-8dea-78d7-8593-47fb11b0b5ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013992
StatusPUBLIC

Content hashes

Canonical texteb926d613da987df4e6b47c2cbd0b601ef970a83e4fd66c1de7a7aef38d59170
Markdowndeb735dfed209c401b9b652d49e311cb27a42eccea5714fdae2b7ca47b2887af
PDF
Publication pagefa64878764edf942ab462cc2b0b0b86a0800fcb11790c116a67eaa662bd0d124
Manifestcc4c053abc2174d6804a38888d4c6a7a639c6d4f72d6a6db677a54aef6d08437

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
SignaturenqxyRMcONlSrYtZwizW3C4QLrcI8bvG/ajeEdSEBM1cKVyyWm+shUif1GX3Dj94yF5PPu9LoQ6ceHUP6cTV9Cw==
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

2026-09-17T12:09:12.640270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013992
observed fa64878764edf942ab462cc2b0b0b86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.621805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013992/manifest.json
observed cc4c053abc2174d6804a38888d4c6a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.603404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013992/publication.md
observed deb735dfed209c401b9b652d49e311cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.585904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013992/publication.txt
observed eb926d613da987df4e6b47c2cbd0b601...
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.