OpenTechnical

OT-2026-000097550

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line 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-2026-000097550) never changes.

Identity and time

Publication numberOT-2026-000097550 · never reused
Internal UUID01a0aea1-55b4-7442-a4fa-c646eceaf777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097550
StatusPUBLIC

Content hashes

Canonical text4491af6d9fb2bd11a78c6dcc26103151cfa459917cfec458288ba86e24f1e87b
Markdown274fecc87caa6977c54d0ce3b331b3732eb8ba32b160bd2c39b2ccf34f4f3c72
PDF
Publication pagec971f543ac7e026cbc10e6a9fde35b42ac75baab8ac0542996e6be12fd86d485
Manifestbfbd5cb1feed01f5704fbc18896a66a578b07fc77ceb9f321e37addae6cdf360

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
SignatureIbR8x/bQnU2X1OpApfEoIsNkrAwRO+8fblBnN0XA0ivbMn0a3iWAff6m11rc96CeipVVWcxisVZ/COl/1oO1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:25.858329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097550
observed c971f543ac7e026cbc10e6a9fde35b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.841020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097550/manifest.json
observed bfbd5cb1feed01f5704fbc18896a66a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.822301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097550/publication.md
observed 274fecc87caa6977c54d0ce3b331b373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.804126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097550/publication.txt
observed 4491af6d9fb2bd11a78c6dcc26103151...
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.