OpenTechnical

OT-2026-000083593

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000083593) never changes.

Identity and time

Publication numberOT-2026-000083593 · never reused
Internal UUID01a0ae98-0415-7b46-9b02-1c5eb0d51f60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083593
StatusPUBLIC

Content hashes

Canonical textc5c70cb36f24597d2681719b642cea0ed1d690aecc2d0e57834a57f36c66a2d5
Markdownca9be6376bd1e5f107fccdbc59a16f47f87474a9ccbff8ed48a77ea7597ae3ee
PDF
Publication pageef18a6d9c95301a6f18d0679179e72992b3ba75945a351333906f5e7d7326fde
Manifest9b6f082437d28bb7e323ca8dd982ea4f84f5e009a2f1d61a538b29261a4976a8

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
Signature8qtBDloQdJ/h+2i/2bLLq5+Oyqr7xfQuZfoS/2WA+8/ECHJui/f5zYP2TyTCsrWuFKUxLACDrnZl1PYS6cEIBg==
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

2026-09-17T09:57:05.184460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083593
observed ef18a6d9c95301a6f18d0679179e7299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.168245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083593/manifest.json
observed 9b6f082437d28bb7e323ca8dd982ea4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.151782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083593/publication.md
observed ca9be6376bd1e5f107fccdbc59a16f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.134469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083593/publication.txt
observed c5c70cb36f24597d2681719b642cea0e...
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.