OpenTechnical

OT-2026-000070408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented before set-down, on a tool changer

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-2026-000070408) never changes.

Identity and time

Publication numberOT-2026-000070408 · never reused
Internal UUID01a0ae91-545f-7a88-86d9-0c69802c897f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070408
StatusPUBLIC

Content hashes

Canonical textf1e87d9832752ce77e604efd8e6d6b081f064f30af10d0ec212fbfe7cfc8f080
Markdown24a2c581dcfcb875504ba477f6649fe179c2139c46b993a83eccdd7686be6504
PDF
Publication page3e37b0efba4c88c7981deefce0be8d8824830d47e87d59eff3b6c9358f7293e6
Manifest5986750ed2e76585bd267efe2f87922822d659b06d46b3632e352f1905dfcb08

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
SignatureQ9u9CrHQy97f176BLO9ThwFYVEEO5Pn61dRIj5BrUnRbjvC15IxE6bu/Ls/AqJdb+0ERBOAEKKh/vvfjW0BADw==
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

2026-09-17T10:26:13.039293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070408
observed 3e37b0efba4c88c7981deefce0be8d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.021418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070408/manifest.json
observed 5986750ed2e76585bd267efe2f879228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.002603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070408/publication.md
observed 24a2c581dcfcb875504ba477f6649fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.983920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070408/publication.txt
observed f1e87d9832752ce77e604efd8e6d6b08...
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.