OpenTechnical

OT-2026-000100680

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100680) never changes.

Identity and time

Publication numberOT-2026-000100680 · never reused
Internal UUID01a0aea3-66f3-7efa-8b1d-43feb9c625ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100680
StatusPUBLIC

Content hashes

Canonical text788e052c8b655817cf1bef16c09579172afa672c53ffa7460981ee88cd6bef4c
Markdown8cbe454145d52b7591dbd92551b5dc3c55f72a460ca67c1bc2406fee14f3c796
PDF
Publication pagebcf91a65d3edcc932342bbcf3a9e6ad95be2f7a8d9149a906a85bfdc7edea9b6
Manifest6d99d644b80952d5e9f6d22782eb8dad747d7dd1ef21a868c596289d4db24a6b

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
SignaturefN6/cZyu4QWnP+ZiAPBblI4t0of55E3tWrT4b/AHD2ykY9vOKhXRndJyQ1T88edC/17ceSAm3QfViiTthynAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:29.704124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100680
observed bcf91a65d3edcc932342bbcf3a9e6ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.687719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100680/manifest.json
observed 6d99d644b80952d5e9f6d22782eb8dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.669581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100680/publication.md
observed 8cbe454145d52b7591dbd92551b5dc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.652672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100680/publication.txt
observed 788e052c8b655817cf1bef16c0957917...
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.