OpenTechnical

OT-2026-000062479

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000062479) never changes.

Identity and time

Publication numberOT-2026-000062479 · never reused
Internal UUID01a0ae8c-0ac0-7f5f-806d-d0d42e1d9e89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062479
StatusPUBLIC

Content hashes

Canonical text695a91343ff153c39446a2f99672a30bbdef682c0ca7993f12bb05299e810026
Markdown108488a3a23bbdb2d3a1462b050f0a14ae8cf3cc596569ec3ef94890d05f76c6
PDF
Publication page34819095df9324332181ddbbf354e89081125f4e5aebacac40997096449e1a83
Manifest2f0bbc50357e39553b6cdfe1a987ddca2d04390cf16935b2af64b901891cea83

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
Signature1K63Qvfv1mRE9iVdV+lC4G4IlLSGG/b4yUO5TRcy+hYwR+oNVO8BC4nRbHvR3oJsaoz06GBcwqQnyurHZE7ZCQ==
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

2026-09-17T10:39:50.081838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062479
observed 34819095df9324332181ddbbf354e890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.062046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062479/manifest.json
observed 2f0bbc50357e39553b6cdfe1a987ddca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.044234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062479/publication.md
observed 108488a3a23bbdb2d3a1462b050f0a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.025755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062479/publication.txt
observed 695a91343ff153c39446a2f99672a30b...
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.