OpenTechnical

OT-2026-000082421

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082421) never changes.

Identity and time

Publication numberOT-2026-000082421 · never reused
Internal UUID01a0ae97-4d96-797d-886d-c0c34a8a014c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082421
StatusPUBLIC

Content hashes

Canonical texte5975e7bec87cc1031ef3f3f6e538966ffc91c15be38937ecbcdd05d8f30a9b2
Markdown598e631e93a7f3ffc91d2e8d6cc2573a8a9a526481ef882238a7c2bd3a3debc0
PDF
Publication pagef7ef0514aee2044df32494effe4f0e0ff48f754d074dbf09014eea3a91c74780
Manifest9e722b871770d23dd911bd14351875bff7a7b0e8e010c885b91fea84a51f0e99

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
SignaturedavI0hcX69iPjdw4I0OThYvQF3VO+kwhL8Ix3gcmD+bVwfk0wTov+ufqgPHjK4qKUE+W3ApLmtgBca3hSVbkDQ==
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

2026-09-17T09:59:18.647807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082421
observed f7ef0514aee2044df32494effe4f0e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.630914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082421/manifest.json
observed 9e722b871770d23dd911bd14351875bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.612462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082421/publication.md
observed 598e631e93a7f3ffc91d2e8d6cc2573a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.593826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082421/publication.txt
observed e5975e7bec87cc1031ef3f3f6e538966...
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.