OpenTechnical

OT-2026-000098742

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000098742) never changes.

Identity and time

Publication numberOT-2026-000098742 · never reused
Internal UUID01a0aea2-42ae-7e01-b359-80b946fb2853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098742
StatusPUBLIC

Content hashes

Canonical textbc50c28618e763098303e19329cb41c088ba81732cb65036dd5cf4424c0d012b
Markdowneea46d575989f8279878989e41db9b6b97cb6b701fdc54750af36dee68c20f3a
PDF
Publication pagebdbc8170daf40d0b54ed2c59de128f44c913164f288b678d9424b555313da383
Manifest919d33682f29d6cd3019000060b12525ffe6279b0559b735bbc8b80c22b15d2c

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
SignatureV9mNp38e0EpsnsncLNriokho6JO7kqzljbB8HG16mSVSSBGpeayu1Q26SRJB6R6p8LqDo8mEtAS6hWXr6aRiAw==
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

2026-09-17T09:31:03.512226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098742
observed bdbc8170daf40d0b54ed2c59de128f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:03.494632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098742/manifest.json
observed 919d33682f29d6cd3019000060b12525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:03.477505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098742/publication.md
observed eea46d575989f8279878989e41db9b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:03.461596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098742/publication.txt
observed bc50c28618e763098303e19329cb41c0...
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.