OpenTechnical

OT-2026-000067741

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000067741) never changes.

Identity and time

Publication numberOT-2026-000067741 · never reused
Internal UUID01a0ae8f-c4fa-7463-8e31-135a8a7f7bc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067741
StatusPUBLIC

Content hashes

Canonical textd2bc27c79124521b33a1a7d5b59471c1116b3eb8904b15920ae330c3e20c0a17
Markdown3c9b47f5ce63082f8512ffdb705af25ccd1a95ee71177816b3209a9f876c41f6
PDF
Publication page72ce29d95b35550da892f9587db367449e44bac74bc497cc6dcc36be8d03eb48
Manifest0c42ebcf64a4fbcf0be9667fd5006a275186145e0fbaae43ac369eb555b2abad

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
SignaturemqaLYRq2BmKpOQ1KYYp5pUJE1PZE/BhlE2MZSFFvuxpwvM9UX8BiY9SoWC5Eb3BIjyUl+imkodl/LJWtgYufAQ==
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

2026-09-17T10:29:57.772420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067741
observed 72ce29d95b35550da892f9587db36744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.756107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067741/manifest.json
observed 0c42ebcf64a4fbcf0be9667fd5006a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.739069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067741/publication.md
observed 3c9b47f5ce63082f8512ffdb705af25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.721860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067741/publication.txt
observed d2bc27c79124521b33a1a7d5b59471c1...
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.