OpenTechnical

OT-2026-000086430

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000086430) never changes.

Identity and time

Publication numberOT-2026-000086430 · never reused
Internal UUID01a0ae9a-2c97-721d-ae57-3eecfe564a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086430
StatusPUBLIC

Content hashes

Canonical textf744d5222c21c7c5775497931276cf68583545674230893f613b9d88eefe3791
Markdown9c11876d2a5f46c9d8109099e969d72102604d56189db2040a8634f5e21d292f
PDF
Publication pagec90f7ab926b535fac5c157b0c40daf1007c7ecd73de245f0e4451bb6e5f6ed46
Manifest090a52bfd4944257d2ffaff286293b454b4b37814076a1a1df906fbf1bbcf14b

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
Signature/CHlgza3fX3DJHz9YhgRXN7cWj2k01KOgyX3apOwls8j6JJ3fnHC1pnfz2ZZgAjmtTgHLzN80lGYTfyr0hKmAg==
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

2026-09-17T09:52:13.617992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086430
observed c90f7ab926b535fac5c157b0c40daf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.598556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086430/manifest.json
observed 090a52bfd4944257d2ffaff286293b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.580342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086430/publication.md
observed 9c11876d2a5f46c9d8109099e969d721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.563370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086430/publication.txt
observed f744d5222c21c7c5775497931276cf68...
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.