OpenTechnical

OT-2026-000008185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000008185) never changes.

Identity and time

Publication numberOT-2026-000008185 · never reused
Internal UUID01a0ae6a-908c-7764-ab73-0ebddbb03144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008185
StatusPUBLIC

Content hashes

Canonical textaf56d4e3cb543bcb32317ca8dbb4cc8f59fb9da84c3bd8c2d19ba74220d9e78e
Markdown362cffaad76d2e3e597ce547735f1235b2f50230aae8d57d80f46018b18bf6d7
PDF
Publication pagebe950ed3af8515e44e5f5dc14e5b272f156d120bca0b48754b37313f78761e3d
Manifest27183a5c9f3f723443d8318a229bd727be576869e43027826a9a3b4477a69c59

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
SignatureOeMeWMEb97stF6eQNI3WklYupURUzOoBBgYmIlOeHi1tTMNJe+knS3HQNinslQADkqCW9gg4ycSfCpj2iOuOAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:33.217890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008185
observed be950ed3af8515e44e5f5dc14e5b272f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.198980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008185/manifest.json
observed 27183a5c9f3f723443d8318a229bd727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.179572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008185/publication.md
observed 362cffaad76d2e3e597ce547735f1235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.161988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008185/publication.txt
observed af56d4e3cb543bcb32317ca8dbb4cc8f...
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.