OpenTechnical

OT-2026-000104505

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000104505) never changes.

Identity and time

Publication numberOT-2026-000104505 · never reused
Internal UUID01a0aea5-3422-7c73-b6a8-6174ddaafc42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104505
StatusPUBLIC

Content hashes

Canonical text0970904ffe4a4dfcdb005f8c4d575e94808b059ff41afcee9ef3eb0ca23da4ec
Markdowne4b624ee3855e8064423e1ee0c953f63b9812c496d6283f22bb59b82315e72e6
PDF
Publication page4a9bf11bfc2bfd87fca0eb7d0debc5c08a91e294e0b6f66c5fc3d9740c1307c2
Manifest38201436564ad31d3fdef4f2550f0dd725d8ae50150ca28543c8d0471bd69c40

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
Signature0x5urYcHbJIyOLoWnaRLN+KULv/+d3Tk9OyKLb829MGpwjUuxQEc19eL40XTtc5zEvEM6eehRLLdvAl9H9AeCQ==
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

2026-09-17T09:21:47.817121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104505
observed 4a9bf11bfc2bfd87fca0eb7d0debc5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.788446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104505/manifest.json
observed 38201436564ad31d3fdef4f2550f0dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.770332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104505/publication.md
observed e4b624ee3855e8064423e1ee0c953f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.751537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104505/publication.txt
observed 0970904ffe4a4dfcdb005f8c4d575e94...
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.