OpenTechnical

OT-2026-000086170

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000086170) never changes.

Identity and time

Publication numberOT-2026-000086170 · never reused
Internal UUID01a0ae99-e82c-7e49-bffc-1c0f2ec78ba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086170
StatusPUBLIC

Content hashes

Canonical texte0da27e8b07b82fcc1853930e6faec8522e031a7ca66b052fb1f6af5ebec9311
Markdowna34e2dfa6e7a9225a71558039724be781b89bc49a54f2f4f2921a7105187590f
PDF
Publication page58997397f91d76c2d75c40b87bee6413d47f15c83e8f60ff00b8d4efd9e92709
Manifest8e1230af328d3836069b6c14a82c61740f83f11b2ff2c4556811590579bf5ffe

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
SignaturelW6/WypQLqo0jUFLRYK7YHltCA2CRHwN7alJdeyAF/A8OMViG66aP8LZXYndtK8qTUVWEq6VZ8eQGxIBBZ+HCg==
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

2026-09-17T09:53:50.629710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086170
observed 58997397f91d76c2d75c40b87bee6413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.612122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086170/manifest.json
observed 8e1230af328d3836069b6c14a82c6174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.594265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086170/publication.md
observed a34e2dfa6e7a9225a71558039724be78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.574804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086170/publication.txt
observed e0da27e8b07b82fcc1853930e6faec85...
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.