OpenTechnical

OT-2026-000093974

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000093974) never changes.

Identity and time

Publication numberOT-2026-000093974 · never reused
Internal UUID01a0ae9e-92c9-7882-93d9-04601cf334ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093974
StatusPUBLIC

Content hashes

Canonical text48492bffda36f55ac518b00e37117019f8a12f39f0a83d62999a419333a34c9f
Markdown5c5c236383a50a63c30a4cae35d8f371f70314dadeabc8f1e4464003f0c693ce
PDF
Publication page81f4c3bc961099a337335dae5e0625c910d017631ca10c43e606b891cfebb34b
Manifestf43929f91752dc5f5a11e7deefed55e71081f63f91ebc17f350a6b6d1d25842b

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
SignatureYYR5Y1/Nj5p6ff+CT1MikEyYAaRJeDmkPYSTG7YBC4VviY6OKvFZ7uu2prE4Ch4i5cdhEvNogGB63JF7A6e1Cg==
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

2026-09-17T09:38:22.519201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093974
observed 81f4c3bc961099a337335dae5e0625c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.502416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093974/manifest.json
observed f43929f91752dc5f5a11e7deefed55e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.486753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093974/publication.md
observed 5c5c236383a50a63c30a4cae35d8f371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.468375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093974/publication.txt
observed 48492bffda36f55ac518b00e37117019...
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.