OpenTechnical

OT-2026-000013921

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000013921) never changes.

Identity and time

Publication numberOT-2026-000013921 · never reused
Internal UUID01a0ae6d-8dea-7fe8-a984-a1943356d0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013921
StatusPUBLIC

Content hashes

Canonical text3f97de43860b243f7d05fd32702e3c7a1bc055a5a2e1bb860e5750a158bc2d7a
Markdown3c3e73e495c745e94f5a2a71eef931e8c32e3bc0b981291fb80d99c388bc0072
PDF
Publication pagebeb11bf5b3e05cf9b85b7ba3d53417c65e69d6eeb971a2cbad0b6f3091bae035
Manifesta608a2d6460ab70354809c33626d1970e71af078085c677b2aa3b036a633deca

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
Signatureg+jL6GQAEFhaunLhc0ra2thghuwxI67ECwkv2wQjHrxu4neoRMlX/B7xGRr78IP2Hr6zZ2Vco1JAXjSMoN46Cg==
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

2026-09-17T12:09:03.295861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013921
observed beb11bf5b3e05cf9b85b7ba3d53417c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.276914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013921/manifest.json
observed a608a2d6460ab70354809c33626d1970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.258530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013921/publication.md
observed 3c3e73e495c745e94f5a2a71eef931e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.240124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013921/publication.txt
observed 3f97de43860b243f7d05fd32702e3c7a...
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.