OpenTechnical

OT-2026-000007685

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000007685) never changes.

Identity and time

Publication numberOT-2026-000007685 · never reused
Internal UUID01a0ae62-76bd-7602-9871-1e51a2d7fcbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007685
StatusPUBLIC

Content hashes

Canonical text206ee1601d5efa38a8315020c83fb9b29589964fae6eec3614bc8e1e9f2be668
Markdownd87f4cb7a235dbf280feebac2a1d65e74ee4124d195cd2a52e6feb3b30ab8073
PDF
Publication page2439016ffbd028c85aa2d8c0aed8581a21c2e2c1a8ebf560dda7caf76bb02591
Manifestd678068cef17aa7c084aef692254ff783c50089f8e402ad3f8a2f5bad94d4cdf

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
Signature3Kw1lXapF/xqayN7UaKnqSwOas3O4k47Di1EZ4Vgngab6gpqhpKn0ermGkWCG5rwV4wyCwDTujdxVKn0IGnqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:18.804627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007685
observed 2439016ffbd028c85aa2d8c0aed8581a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.788916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007685/manifest.json
observed d678068cef17aa7c084aef692254ff78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.771092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007685/publication.md
observed d87f4cb7a235dbf280feebac2a1d65e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.753626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007685/publication.txt
observed 206ee1601d5efa38a8315020c83fb9b2...
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.