OpenTechnical

OT-2026-000086688

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000086688) never changes.

Identity and time

Publication numberOT-2026-000086688 · never reused
Internal UUID01a0ae9a-2c99-7c21-ab82-6fb30557862a · 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-2026-000086688
StatusPUBLIC

Content hashes

Canonical text27c4131607a31b5cf8120094f7d804cdb71051ee495821a430585b092e599b48
Markdowna1b4e1c9c9f4808983df5fdea4edd9e4ccc97d4bccabfe740a83f14f78a0c647
PDF
Publication page50a2d9227e5c48a02958e77780ee78b32c28fbb74a98a3a7bab46bbe6a05662f
Manifestd4aa51eba08033718d5dc1c92228b86684e99f658730eeaff33056c09ae21618

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
SignatureMACoXh5oALCICzCM+h0vA7s3bknIiWPMBWtIjQjbUPeDPsYUsBAU7B6STnEKU/jWqrcPXsRAl6gM+RMWhC7NBA==
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

2026-09-17T09:52:33.405767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086688
observed 50a2d9227e5c48a02958e77780ee78b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.387617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086688/manifest.json
observed d4aa51eba08033718d5dc1c92228b866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.369358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086688/publication.md
observed a1b4e1c9c9f4808983df5fdea4edd9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.352681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086688/publication.txt
observed 27c4131607a31b5cf8120094f7d804cd...
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.