OpenTechnical

OT-2026-000007669

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000007669) never changes.

Identity and time

Publication numberOT-2026-000007669 · never reused
Internal UUID01a0ae62-76bd-70d0-a146-c6fe1a854e85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007669
StatusPUBLIC

Content hashes

Canonical texte79c6f6c41b740221dae2815ad7acbd8616e852538502f14b6db41aab69825f6
Markdown2bba517b6d89ffbc4e5f1c3a6af59f792a299f2cbd6cd86b1958c7b3978e2f3d
PDF
Publication page368d1b053e37dfa7c3776ebf0bf53f5ecb27430c7c669037b1311afc610a0ead
Manifest312789b3cb11d078e6fc8b9c4e2bf1dbedf786c1c957731f3296f48acb7202d0

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
SignatureMCqEl2b4piUVkUlr4X5OXJqbQwYHgySi2+Tj19npN3575kAmkTVsVfR8deGdShfY/ZMOkApfJsMQoeBCQgiSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.617550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007669
observed 368d1b053e37dfa7c3776ebf0bf53f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.599233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007669/manifest.json
observed 312789b3cb11d078e6fc8b9c4e2bf1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.581315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007669/publication.md
observed 2bba517b6d89ffbc4e5f1c3a6af59f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.563620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007669/publication.txt
observed e79c6f6c41b740221dae2815ad7acbd8...
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.