OpenTechnical

OT-2026-000057769

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000057769) never changes.

Identity and time

Publication numberOT-2026-000057769 · never reused
Internal UUID01a0ae88-6ed7-7f59-b7c2-a2677ae5a1f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057769
StatusPUBLIC

Content hashes

Canonical textfafbfb5844dc46af16f3e23ca1479e5d3ced005229c6a12d7f3e76837ea5b1ce
Markdownbe31e7997e35f5656ea305dfdfc26a37f7e345b1d1e4c376c308fc81c65f1cb0
PDF
Publication page536f4dab9e2f9d9177ce93fe535649604d86f908973723d1e0d5577d8347b7c5
Manifest0d1f16af4753859d619630f982e284cc979e18e6e88a9c238f7c2cf42efa9819

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
SignaturesYIwSBjXR5BImFFgIygpn3F4S3M/d7K22efjWH5axsVS/Xflcx4IYHsTDh7oRJ8qByCXELQz7h/MwWni8jqTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:19.038885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057769
observed 536f4dab9e2f9d9177ce93fe53564960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.019347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057769/manifest.json
observed 0d1f16af4753859d619630f982e284cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.000730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057769/publication.md
observed be31e7997e35f5656ea305dfdfc26a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.983447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057769/publication.txt
observed fafbfb5844dc46af16f3e23ca1479e5d...
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.