OpenTechnical

OT-2026-000086872

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086872) never changes.

Identity and time

Publication numberOT-2026-000086872 · never reused
Internal UUID01a0ae9a-80a4-7567-a400-62ba1207acf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086872
StatusPUBLIC

Content hashes

Canonical textd22221f186ec11a689f86169a3c19c5e7a33bccad7cab4ad87391f52a1f81ef0
Markdownc0d8e8f73a1103910ac5a1c4eb655dbb7b6503c22313ad59998236ea844c6e0a
PDF
Publication pageccbc4fb3d04fc0ab155219a2cb8c462af057ae6bc71cd8542be19906ff6f817b
Manifest5f54c5d90c72055859de11e3c701d9230e0ebeb6d7c9a37c3000fbfbca205e50

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
SignaturemYfw87TcKl9+iABv/HOYWrM1Vpf5E1RQtXMUmeKOrfa9zV2zE62yZ30ee/NLpUhNHNu58NcyL7kNjA2sJ1uFBQ==
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

2026-09-17T09:51:42.964233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086872
observed ccbc4fb3d04fc0ab155219a2cb8c462a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.947298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086872/manifest.json
observed 5f54c5d90c72055859de11e3c701d923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.928713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086872/publication.md
observed c0d8e8f73a1103910ac5a1c4eb655dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.910341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086872/publication.txt
observed d22221f186ec11a689f86169a3c19c5e...
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.