OpenTechnical

OT-2026-000067304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000067304) never changes.

Identity and time

Publication numberOT-2026-000067304 · never reused
Internal UUID01a0ae8f-6bd6-70b4-9700-376664f0e551 · 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-2026-000067304
StatusPUBLIC

Content hashes

Canonical text8ca917747216f4369729e096cc29f6eca2ceeed0313a6108a54d88e8bd26d7b6
Markdown26427e1b1611f04d242b18b305900effac96adee783848122512e202619dd7a9
PDF
Publication pagefa52e44b6bfe2b0b39bcb0c8a588dc379bad51dc7f0e8789f7fefa813ca23438
Manifestff6d344dcea80599c242de4a38274d0fda0e620135b91c1dfcd77a7a2b1f4671

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
Signatureqgo72+geLNHV9hRAngjlP7M/7DqVJSR6NpxRC3tkMANZFTwsMSqqJLldN33CAm1Wth2S2sSlvPBjH+L9MZpWBQ==
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

2026-09-17T10:31:28.469523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067304
observed fa52e44b6bfe2b0b39bcb0c8a588dc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.449934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067304/manifest.json
observed ff6d344dcea80599c242de4a38274d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.427390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067304/publication.md
observed 26427e1b1611f04d242b18b305900eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.405323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067304/publication.txt
observed 8ca917747216f4369729e096cc29f6ec...
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.