OpenTechnical

OT-2026-000100395

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000100395) never changes.

Identity and time

Publication numberOT-2026-000100395 · never reused
Internal UUID01a0aea3-66ee-7bdf-b7ea-1c4d7278bc5d · 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-2026-000100395
StatusPUBLIC

Content hashes

Canonical text09b17e88fec44445b8f54d74ae9833668aa387a8eda9befa53281479240eb083
Markdown390c1b23efb94c7be548e98caa9aa399fd7bcecc9549a30a13f0490f2061035a
PDF
Publication pagee7949062ee027b6674c0a4463de2ff5a94b24d1b7bf10e0c3e94a92f59dd3d8b
Manifest00d6ac998d943f41d10288c07563569640f075c3a7a08d70e0d1c69715e7ff68

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
SignaturezUzsZCPaHjYiDCSEHvFlJVilW/Z7SFK1jNM9YDCjWFYRiXZlGESERpFbBCoYKV+vnTQim7JXqVl511s1xxA9CQ==
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

2026-09-17T09:27:07.719752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100395
observed e7949062ee027b6674c0a4463de2ff5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.702397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100395/manifest.json
observed 00d6ac998d943f41d10288c075635696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.685419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100395/publication.md
observed 390c1b23efb94c7be548e98caa9aa399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.667660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100395/publication.txt
observed 09b17e88fec44445b8f54d74ae983366...
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.