OpenTechnical

OT-2026-000062117

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062117) never changes.

Identity and time

Publication numberOT-2026-000062117 · never reused
Internal UUID01a0ae8b-b8b0-7be6-b1ad-690f7e9065c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062117
StatusPUBLIC

Content hashes

Canonical text531080a01a57fd9647f7174b7a8484dc768532d61623684b991011d99fed5800
Markdown6787d0d0619ab838e23eb3f76c8ba27245c73c211e3b0949a61870d6703269d0
PDF
Publication pagedff5b2a3b9e375b7c38fe91d7d322e1641cde15e37d089aedd44af75bdb5518d
Manifestaca36c69b116e45b4f24c6b8b70d1b05d8ccb6ffe3ed9c81b11a0f8116facb40

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
SignatureZ7qDJs7XOq6krUqqXTQXwT+2BoFNDaBI6xTwF7vlO584o08x5JOusj+O6EJ0gvXH42KHx4O8XS2K52NXk/lqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:10.715465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062117
observed dff5b2a3b9e375b7c38fe91d7d322e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.698274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062117/manifest.json
observed aca36c69b116e45b4f24c6b8b70d1b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.682384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062117/publication.md
observed 6787d0d0619ab838e23eb3f76c8ba272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.664959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062117/publication.txt
observed 531080a01a57fd9647f7174b7a8484dc...
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.