OpenTechnical

OT-2026-000039377

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039377) never changes.

Identity and time

Publication numberOT-2026-000039377 · never reused
Internal UUID01a0ae78-9675-7a16-afa2-cd8c3a10730a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039377
StatusPUBLIC

Content hashes

Canonical text352eea0b2f8e5c86ca0068166d1f2cc1bd515560cf75e5d63765d5e0a5a7014f
Markdown177e9fca2cb9cd0d3daf4c79327829c35b3b944873dd146437a7fbea13c212a7
PDF
Publication page005afbf3962588b3c95be5840007e9be5fec5c394ffc83b79c089e1e4352a5f9
Manifest9019584d46d94f196c8775ea139e341a1a0726da7f3bc15bfa799eebe4646e0a

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
SignaturezblYAcxyfyUu17Mvv7kO12tAJ2DNEl+AckdJ28X7e0JWzUxVeXMjale9NNVv3H6+Ki/D1GaEhc0lyM2WrsP1AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:58.994549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039377
observed 005afbf3962588b3c95be5840007e9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.974193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039377/manifest.json
observed 9019584d46d94f196c8775ea139e341a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.954462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039377/publication.md
observed 177e9fca2cb9cd0d3daf4c79327829c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.935524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039377/publication.txt
observed 352eea0b2f8e5c86ca0068166d1f2cc1...
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.