OpenTechnical

OT-2026-000041316

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000041316) never changes.

Identity and time

Publication numberOT-2026-000041316 · never reused
Internal UUID01a0ae79-b144-780f-8f6f-ccd4fc7f29b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041316
StatusPUBLIC

Content hashes

Canonical text5739282a75bae5656c4aae11030fb771d05b1a21c946f0e698a7d6fcb3b20a2f
Markdown1344f2066ec9c08d09175ecfad622c650518459d3c6ebb3120b2806c51f34f9f
PDF
Publication page7a921dd2aaeb2bfcaf5e7a225d1c761d10e29e35db7aff55efbc0b2079279977
Manifest88993b31748c151b88e05b7b534c532c8e569a8510c30893a5f8f895f1261db0

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
Signatureluwka8qBIKCiFfqCCZZkwq4ERAz+hpKf55c0BFlxaqerMxspK2ffXtO5m0gQp3OoymN6nvVQGv3NdhInepUVBQ==
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

2026-09-17T11:17:18.323525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041316
observed 7a921dd2aaeb2bfcaf5e7a225d1c761d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.305007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041316/manifest.json
observed 88993b31748c151b88e05b7b534c532c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.282147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041316/publication.md
observed 1344f2066ec9c08d09175ecfad622c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.263239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041316/publication.txt
observed 5739282a75bae5656c4aae11030fb771...
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.