OpenTechnical

OT-2026-000087280

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000087280) never changes.

Identity and time

Publication numberOT-2026-000087280 · never reused
Internal UUID01a0ae9a-cd4e-7b78-810b-5c3fdb141dec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087280
StatusPUBLIC

Content hashes

Canonical textbeef1b5d33bf7136b8b4b05489e14ae1ee5fcb1e5f95d83b5835078b01b0db35
Markdown543c0da91096998b78707a01ec6de32ce2d960ec830f51725e2a22de0f481ed1
PDF
Publication paged385a26ba1375a329c1a8c13da45d0859a9aeaa4d49f29268767e609b4087414
Manifest39bc29f6282253bf75ab37c92394f68e885c76007fb45d70a0cad2119feaa1ff

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
SignatureeUCk9Ldf+XEA3uDdED+iuN97LhSRgLvH4a3BG6ahgt23CaOr4Hih+vb9o3nJhi0p81kl3Z98djfYQMmMXO7nAw==
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

2026-09-17T09:50:25.890936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280
observed d385a26ba1375a329c1a8c13da45d085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.867609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280/manifest.json
observed 39bc29f6282253bf75ab37c92394f68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.842881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280/publication.md
observed 543c0da91096998b78707a01ec6de32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.821109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280/publication.txt
observed beef1b5d33bf7136b8b4b05489e14ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.820603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280
observed d385a26ba1375a329c1a8c13da45d085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.796609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280/manifest.json
observed 39bc29f6282253bf75ab37c92394f68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.777863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280/publication.md
observed 543c0da91096998b78707a01ec6de32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.758703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087280/publication.txt
observed beef1b5d33bf7136b8b4b05489e14ae1...
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.