OpenTechnical

OT-2026-000005665

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, contact triggered, vented 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-2026-000005665) never changes.

Identity and time

Publication numberOT-2026-000005665 · never reused
Internal UUID01a0a940-b6a8-7cb6-be17-18f7ec6386cd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:25.707499Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005665
StatusPUBLIC

Content hashes

Canonical textc4439e51afeaa10638b487950240a5afb5d4689db547e36a66c8e639e70c30e8
Markdown98ef104eee17a5d4c32959ede7165991c8397aeef7a2302c238b86d0a795c850
PDF
Publication pagee2f086ee89c4efae78636ca2847c457bac30be6a4f9e6f9ce8997bbdc72fbb44
Manifeste2b197c7ffc53004e95ca9d6cc3d203a410c8b5ef2dbc2e6252370c1bbb71182

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
Signaturelvy3JEnoE3dWGuxCdx+HEvPpFQ5xvxzi/gvXfq8HmUrz7IVAw6elbghtLlC2n+qoxFf7Y6AOGc4JYw6UYW58Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:14.421991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005665
observed e2f086ee89c4efae78636ca2847c457b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.406826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005665/manifest.json
observed e2b197c7ffc53004e95ca9d6cc3d203a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.391536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005665/publication.md
observed 98ef104eee17a5d4c32959ede7165991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.374435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005665/publication.txt
observed c4439e51afeaa10638b487950240a5af...
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.