OpenTechnical

OT-2026-000082381

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000082381) never changes.

Identity and time

Publication numberOT-2026-000082381 · never reused
Internal UUID01a0ae97-4d96-74fb-a318-cf09eacdcf07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082381
StatusPUBLIC

Content hashes

Canonical text3a37e0a551612f82a1a197be26306a403a0116511ee8005349da2657603f9738
Markdownc3b14d2c291c2e1fc97e8cacaad3ceb76d2fabeb70ff2dc55f871a2e144cbd05
PDF
Publication page7f8afff5829b31cf1e8326e74b73bddddd2b97647c81079936ea0316d89588f2
Manifest11788bb6810fd9a7b2c5bf22e344735ef1ad405f927d5197a490e8ec24207e56

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
SignatureRdb2laT4EkR/Tolt0aG/T9cc7tmwn3BBH5psdETSSJtG2W0u9KUm/zqkSY3EFw2cbtlMLNcZbGkV/5qjGWo7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:15.663842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082381
observed 7f8afff5829b31cf1e8326e74b73bddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.647507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082381/manifest.json
observed 11788bb6810fd9a7b2c5bf22e344735e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.629921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082381/publication.md
observed c3b14d2c291c2e1fc97e8cacaad3ceb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.613048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082381/publication.txt
observed 3a37e0a551612f82a1a197be26306a40...
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.