OpenTechnical

OT-2026-000097417

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000097417) never changes.

Identity and time

Publication numberOT-2026-000097417 · never reused
Internal UUID01a0aea1-55b2-72ed-9631-93e3e0b721ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097417
StatusPUBLIC

Content hashes

Canonical textc1934bccc5c3cf7d00219cf0abd8e270f1990f086a46555d161cb76649d6ba70
Markdown04fe2faa2dcee9a64a16f5edb1606de49b0fd0a43141b395de9d313ebaa42dde
PDF
Publication pagecc9e9f3ed6967287713b8532a0b483fa41b13dc1a0c554e8c82c39988c798edd
Manifest1cd53fc1491d4bc0e044616b497fd75ff4870f9d025e938985bf39716dd97028

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
SignatureXxPJAWnpj0Tvrzz6ziGt7Jpib187RC+MvRnzmkwAVVG/3eztBG05vjE3AA03Bx2SfJJVjPtAPMqhHOBS4SDWCg==
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

2026-09-17T09:33:16.144257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097417
observed cc9e9f3ed6967287713b8532a0b483fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.126300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097417/manifest.json
observed 1cd53fc1491d4bc0e044616b497fd75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.107226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097417/publication.md
observed 04fe2faa2dcee9a64a16f5edb1606de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.088091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097417/publication.txt
observed c1934bccc5c3cf7d00219cf0abd8e270...
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.