OpenTechnical

OT-2026-000025717

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000025717) never changes.

Identity and time

Publication numberOT-2026-000025717 · never reused
Internal UUID01a0ae71-9bca-7c33-9f4c-e94ab848d321 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025717
StatusPUBLIC

Content hashes

Canonical textbc3bc85ca8536f9e894d0c2bd2e3457be8d10f5b3189c3ea8bfdc6fec0d30dbc
Markdown80aa1d08e1e914849a431bd010a6b9fc394c1956c4b70847cb18cfbfa33efc3f
PDF
Publication page94446b41344ec30fd95de16fab53d27557a65e885386851ced72cd01399c6629
Manifest0cb6be370b65db652e94cd927fea2d57a0db3f98840e48c4862f19d19a77f965

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
SignatureSsByuX9uFgJw7H/tBwag/eerZyeznakjHRgBxgKNikC4WEjT9q2C6lBXoiKYIi4s3JVx8P+I9sQbNOt5BgxqBg==
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

2026-09-17T11:46:56.039591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025717
observed 94446b41344ec30fd95de16fab53d275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.021715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025717/manifest.json
observed 0cb6be370b65db652e94cd927fea2d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.001978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025717/publication.md
observed 80aa1d08e1e914849a431bd010a6b9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.984021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025717/publication.txt
observed bc3bc85ca8536f9e894d0c2bd2e3457b...
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.