OpenTechnical

OT-2026-000080839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000080839) never changes.

Identity and time

Publication numberOT-2026-000080839 · never reused
Internal UUID01a0ae96-b974-7bdb-b855-432b8b513f82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080839
StatusPUBLIC

Content hashes

Canonical text259df1381361592c12edfdcb046a6b6c3ba1e99336ed15e665e22971358fec57
Markdown8cc051baa6aa454286bd60639772e7e242e0ce131e9a884d115d4d596aad3afa
PDF
Publication page8e99b196bb008839ce871cba90f271a5fc181b7e65c4b9274a85a91c216fd08f
Manifest75d81448a3b028792ca09b81c9102b0877973dc4ed1d3b3711bd32e5d286b230

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
SignaturezGDFiuX4srTqZB8qS1W298Vw55gBAlvf9rDXeWxBpTQA6BC+YKDIMQ73Q7ZifoDFumdO8AF0A/YnPTeu5lTKCQ==
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

2026-09-17T10:02:01.660977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080839
observed 8e99b196bb008839ce871cba90f271a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.642952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080839/manifest.json
observed 75d81448a3b028792ca09b81c9102b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.623845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080839/publication.md
observed 8cc051baa6aa454286bd60639772e7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.606845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080839/publication.txt
observed 259df1381361592c12edfdcb046a6b6c...
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.