OpenTechnical

OT-2026-000083997

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000083997) never changes.

Identity and time

Publication numberOT-2026-000083997 · never reused
Internal UUID01a0ae98-5b5d-727a-a80a-1401e595aa88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083997
StatusPUBLIC

Content hashes

Canonical text5b8149d0f64baa547137418e7a9135e776a015037542dae4913ed457f6bee919
Markdown89da5227a043c62631859f87e235546cf85a1b30039ca1d7a5cdb47972afd8da
PDF
Publication page6c861e01d5f3bf0f4796bd8a9ca780e5e74624bd45f8258b310ab14cde98b845
Manifest5f0a3500d0d821dfbe2a19ef74fe15246fe9d34547c1a607c9b73837c470d244

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
SignatureKG7QjVL4UC+wzczqRBeix2a0ElgsG4YCSFOOwhk2UsqDaKheKc7Q9nMv6WZ9lH242cc3jBp/WwSZwae1Y9pnCw==
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

2026-09-17T09:55:42.718586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083997
observed 6c861e01d5f3bf0f4796bd8a9ca780e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.701255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083997/manifest.json
observed 5f0a3500d0d821dfbe2a19ef74fe1524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.684913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083997/publication.md
observed 89da5227a043c62631859f87e235546c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:42.668696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083997/publication.txt
observed 5b8149d0f64baa547137418e7a9135e7...
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.