OpenTechnical

OT-2026-000085728

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000085728) never changes.

Identity and time

Publication numberOT-2026-000085728 · never reused
Internal UUID01a0ae99-aaae-76ae-98e4-cb602b47897e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085728
StatusPUBLIC

Content hashes

Canonical text876baeeb9f20775146b0df7a2cc69c5f4caa66ae2908b5994e72e11a2f78e975
Markdown8a7a3599545a17734c613fc5cd53439df8fb84d5325586b7024f64695f3f6522
PDF
Publication page04d44af9f68966ed3b514c342724cd7f75839888b1d89918a2c8410a65bd7e0b
Manifestf5c4a80c2484687d901a46a3b236d9a32d853cc4b7e5b042a6a418725892c972

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
Signaturen4bwyu8AgpN20WcGqlu2vmlgHMIeSjwz54UCEFfWd9LK7/9VZtqlWKhpveW+C9bhBY+WtuV1VxPaVpeoeK/6Aw==
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

2026-09-17T09:54:38.389763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085728
observed 04d44af9f68966ed3b514c342724cd7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.371527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085728/manifest.json
observed f5c4a80c2484687d901a46a3b236d9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.352561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085728/publication.md
observed 8a7a3599545a17734c613fc5cd53439d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.334457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085728/publication.txt
observed 876baeeb9f20775146b0df7a2cc69c5f...
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.