OpenTechnical

OT-2026-000027009

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000027009) never changes.

Identity and time

Publication numberOT-2026-000027009 · never reused
Internal UUID01a0ae72-3453-7ca7-8d87-13da7ea96fa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027009
StatusPUBLIC

Content hashes

Canonical text0c8d9fc99d6f9402eee73447e867b83c0b5fbf4048611461d2fa26bc6db9ebfb
Markdown25d5a01b4aeb18c225c4592ef4d9b2267294c341f257b4ac0df1db096847650d
PDF
Publication page005c4e4764a11c83b3b52e81f8626d2f88ceb63262f25b0fc2c399800d5f8f44
Manifestd40f835143a52135a022fc4afdae4fcee2f2841b8eae574a3aeea006753a2e85

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
SignatureCza6+b1sIAi0CRZ9ucnuR4Idkw+Bc24nPWyPs6kxqOK0UcsKFF7xE08zZgtP6z1EJmNRBvIExgKmJqLlOmO5Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:45.393147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027009
observed 005c4e4764a11c83b3b52e81f8626d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.278230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027009/manifest.json
observed d40f835143a52135a022fc4afdae4fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:38.403851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027009/publication.md
observed 25d5a01b4aeb18c225c4592ef4d9b226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:38.388409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027009/publication.txt
observed 0c8d9fc99d6f9402eee73447e867b83c...
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.