OpenTechnical

OT-2026-000085743

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000085743) never changes.

Identity and time

Publication numberOT-2026-000085743 · never reused
Internal UUID01a0ae99-aaae-7002-a2df-33bc36f7b333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085743
StatusPUBLIC

Content hashes

Canonical text9b7e67e154b061e03f52d8ebe6b746d3d4a52b97cc5a8cf9360749dcb40c6956
Markdown4305b87930b8b318d8e89486e2a4ab2b6994150e6f275efcf964bedb129dae89
PDF
Publication pagec96e29353329857dab18c7de0c7375d02e3bd3bf823912f77749919733b14de7
Manifest2d7bf40b843668091511a223fe2e9f006bd7e500313a0637b5b0861c6554c779

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
SignatureVTk0kq5oJmuq2jcSa6+y+dapWdOj0hGnhbzv2QGZjn6+SsJDdMZpvNZ2Uh86XJ/4CvT28z0xyEJ81nHrH1eIBQ==
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

2026-09-17T09:54:39.547001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085743
observed c96e29353329857dab18c7de0c7375d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.529431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085743/manifest.json
observed 2d7bf40b843668091511a223fe2e9f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.511498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085743/publication.md
observed 4305b87930b8b318d8e89486e2a4ab2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.492439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085743/publication.txt
observed 9b7e67e154b061e03f52d8ebe6b746d3...
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.