OpenTechnical

OT-2026-000098943

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000098943) never changes.

Identity and time

Publication numberOT-2026-000098943 · never reused
Internal UUID01a0aea2-8286-7e60-98e4-74ff4677636f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098943
StatusPUBLIC

Content hashes

Canonical text364f880d427df9b5856a50e766f22744f089bc3397138226c8cb4943a7a15ba9
Markdown026c7e49b69db324c52e7c8ff3d8bad0453d6dbfa92eb88dce15a4167289546f
PDF
Publication page8aca03ab773f30e1e0a9d274e3777833b6adc3a2daa8ecbc8ecc488f53e2e74e
Manifestef6a5b30aee165b01493bcd7854f4f575ddb9eeb40f2c7d4a2ead27c338a8ff7

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
SignatureyXnBvbTsDEDOrqe8jFCSe/tYn8cX6vu0oNLKGAWNjcotM+G+W0KzVJTi/k2+xD2U+fLRzkQmhAxjfiuCDzDIDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:00.793678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098943
observed 8aca03ab773f30e1e0a9d274e3777833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.777269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098943/manifest.json
observed ef6a5b30aee165b01493bcd7854f4f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.760891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098943/publication.md
observed 026c7e49b69db324c52e7c8ff3d8bad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.745675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098943/publication.txt
observed 364f880d427df9b5856a50e766f22744...
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.