OpenTechnical

OT-2026-000067380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000067380) never changes.

Identity and time

Publication numberOT-2026-000067380 · never reused
Internal UUID01a0ae8f-6bd8-7068-bc43-20e13473976d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067380
StatusPUBLIC

Content hashes

Canonical textf525956a6ca7ffff203a9244652d31f621638ff41d458c994b52d404dec54d80
Markdown3d6e8795f5214f2f0b338fbd2a46d0be6d22c8462d84b96b41e5d4d6db7b1d0a
PDF
Publication page79ae5b7f424ac1198b653617992b8abbf64db113f40b3e8f5caa2808d48e7140
Manifestca40be6552f85b4ac30bd9d68840e8ac1e1a5591a58309d0fef83b8febd2f318

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
Signaturez0VXbjn1sGJQwjHkVFHna7s7TY87832SkPSgTl/Rjaa94+ffMep+uB6pYoxZQDXeeivlsyg4BI+MCgjVsMonCw==
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

2026-09-17T10:31:34.123691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067380
observed 79ae5b7f424ac1198b653617992b8abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.106113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067380/manifest.json
observed ca40be6552f85b4ac30bd9d68840e8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.090054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067380/publication.md
observed 3d6e8795f5214f2f0b338fbd2a46d0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.073428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067380/publication.txt
observed f525956a6ca7ffff203a9244652d31f6...
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.