OpenTechnical

OT-2026-000083143

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum 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-2026-000083143) never changes.

Identity and time

Publication numberOT-2026-000083143 · never reused
Internal UUID01a0ae97-c962-7e9b-8d7c-2779ad925156 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083143
StatusPUBLIC

Content hashes

Canonical text8eb77832ebcd582f2e4dd5f997ad119deb8cbd24c42167f96d6d5482a5fb7f98
Markdowncf98ec7209d185c4a0bd19f32650d0fd8ae67e5140ed620267d3fa039d4a075b
PDF
Publication pageb28569ddd651ec071b9a5e2bb970d7939705177f1ad724258a277627dd11b615
Manifestaf430f0b74f576043540961a0bc7983f94fe50a11c089441c6f8190e4f5c8f48

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
Signature/oVuYCDe7u6PWFsN4lJKkn8srgTLh7Ubz8aUFlod0gd5Da4b9gLpE43S0qr5/5sDn1aG0GW6N92TyleIoeO4CQ==
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

2026-09-17T09:00:49.377603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083143
observed b28569ddd651ec071b9a5e2bb970d793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:49.358803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083143/manifest.json
observed af430f0b74f576043540961a0bc7983f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:49.341753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083143/publication.md
observed cf98ec7209d185c4a0bd19f32650d0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:49.323524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083143/publication.txt
observed 8eb77832ebcd582f2e4dd5f997ad119d...
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.