OpenTechnical

OT-2026-000075425

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075425) never changes.

Identity and time

Publication numberOT-2026-000075425 · never reused
Internal UUID01a0ae93-f201-7cae-9421-e26c5f038869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075425
StatusPUBLIC

Content hashes

Canonical textcee8d7facc075b83963ee1cadeba6fee1a1ada6ac8562c511a3b38c4b0cce8cd
Markdown5278f58decf67469bee69f954c8af142d220f7929c6dbba2daedb302fe86cc99
PDF
Publication pagea13404a1204498ab2ec0834cf30041d9c7cd626df2b622af8d7b7b89a137f451
Manifest8b02459404784e107ea58b0213571bfc4f2f98d23b3dacf9b2ef62703bd420da

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
SignaturexIIQltw6T+K3W84eJLec8MKXMTLXbtM/RLeWwL941PlTzxlIcDFe0od0J4jc1uMhBRRZLrab0sXJ4WYrBwaiDA==
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

2026-09-17T10:17:35.748351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075425
observed a13404a1204498ab2ec0834cf30041d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:35.728357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075425/manifest.json
observed 8b02459404784e107ea58b0213571bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:35.710028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075425/publication.md
observed 5278f58decf67469bee69f954c8af142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:35.691150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075425/publication.txt
observed cee8d7facc075b83963ee1cadeba6fee...
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.