OpenTechnical

OT-2026-000093607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000093607) never changes.

Identity and time

Publication numberOT-2026-000093607 · never reused
Internal UUID01a0ae9e-508b-7257-bdd6-e189d2e0f755 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093607
StatusPUBLIC

Content hashes

Canonical textf41aa885f2b126b7d6c49ebfaed0a5d14453b36d3c2e520f65333d6645bb5511
Markdownf8026ef117ded283911df2411c29155726396c49baa7ba61136f77090d0e782c
PDF
Publication page87a9155e27b80c609553c653265f7651159fd1d434585792ba7372232fe7a3d2
Manifestd618b29d92826223562912ef3140099deb9bc5b4135f2deddb98d57bfcb6fa1b

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
SignatureS/rrjrcCc2fZb5xOMGY1+i9lqr421qWKJD0LaBW+Mq3gfHXudTCvL3ss7WlpdMgh2hGrAKEMA3b0AIoHd0ndDg==
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

2026-09-17T09:39:39.144208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093607
observed 87a9155e27b80c609553c653265f7651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.127247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093607/manifest.json
observed d618b29d92826223562912ef3140099d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.108828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093607/publication.md
observed f8026ef117ded283911df2411c291557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:39.091206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093607/publication.txt
observed f41aa885f2b126b7d6c49ebfaed0a5d1...
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.