OpenTechnical

OT-2026-000098379

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000098379) never changes.

Identity and time

Publication numberOT-2026-000098379 · never reused
Internal UUID01a0aea1-e965-763e-b795-d551850d7b62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098379
StatusPUBLIC

Content hashes

Canonical text73e682ec6d0b92c1240409d2c034a75d758e75e09a7704629e55724a36c388e8
Markdown6feb93ebbfb5979a6274440d87870846aba4d755a4c1af8e6c8a115d56e5e40b
PDF
Publication pageec87e448a9c9d816b111083f10681a367870357cb2e66b32e69a750df7f41a08
Manifestef3f7e10a0388ada606a5beb0670ac72364ee0ce2ed6b91f8fd8b2615014146f

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
SignaturexWkFvtZ8tx0Z2+gO5EiWPTBe8prgQW1NgWE14qTpyDrfVNeteb8ee9RtKOyK4nSJ8eq+M1JXCG4YndDMMRPVBg==
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

2026-09-17T09:32:07.044597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098379
observed ec87e448a9c9d816b111083f10681a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:07.026731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098379/manifest.json
observed ef3f7e10a0388ada606a5beb0670ac72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:07.008114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098379/publication.md
observed 6feb93ebbfb5979a6274440d87870846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.988909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098379/publication.txt
observed 73e682ec6d0b92c1240409d2c034a75d...
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.