OpenTechnical

OT-2026-000076858

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000076858) never changes.

Identity and time

Publication numberOT-2026-000076858 · never reused
Internal UUID01a0ae94-b070-7a3d-92d1-82a99f84bf16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076858
StatusPUBLIC

Content hashes

Canonical text8eb05b2dd5352b30c847349e120309d18d5eeda5b7f87c84807be50ba82ec033
Markdownd45c2033f8354eb7dc65f60827d7f41c3d84ebe805303d86ef76f1c7a02fc02a
PDF
Publication pagef9c9f0a50ad17e952afe4096e34aa40947effa96f6b33e2e6c8cb2f449e37751
Manifest080d2a970df2d0855ef96b3a4e6ceb8972538e20970f1eeb6f276dbe396b0f20

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
SignaturessEqllkderLQVP2UQ1AwTVpfUWgh1ikag+T/9rb7Eks7eRm1wgCouiQbf6g8zXj4Y809UGVQJTtWfJhLeBc9DA==
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

2026-09-17T10:09:44.939530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076858
observed f9c9f0a50ad17e952afe4096e34aa409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.916593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076858/manifest.json
observed 080d2a970df2d0855ef96b3a4e6ceb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.898846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076858/publication.md
observed d45c2033f8354eb7dc65f60827d7f41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.878694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076858/publication.txt
observed 8eb05b2dd5352b30c847349e120309d1...
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.