OpenTechnical

OT-2026-000026215

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000026215) never changes.

Identity and time

Publication numberOT-2026-000026215 · never reused
Internal UUID01a0ae71-a841-71d0-a9e3-eaea05d90d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026215
StatusPUBLIC

Content hashes

Canonical text1533541cd1bfaa4e62f0dbb6de3361ef1449404a3f126f5871d013d27809e5d7
Markdown51b50a69a30874b3616c9965a13e53124bfbd7894ea98beb34bc35038b827c1a
PDF
Publication pagee475052d59ca96a6ed24c69674361087d8a26950da8c5f648cfa549b40ae4fd4
Manifest503a24ebbcf7be6f25189655e7184789505647d308360ba3986a59e39ae7b175

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
Signaturezvc5Pn5BZtTFtFIstajpNq7vX33f0aWKjQzm0eMvnLwNNb7d+momYgIhRXT0+Jbv4I/rzsVMX+SYafhszi38BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:44.091217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026215
observed e475052d59ca96a6ed24c69674361087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.071243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026215/manifest.json
observed 503a24ebbcf7be6f25189655e7184789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.054011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026215/publication.md
observed 51b50a69a30874b3616c9965a13e5312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.035509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026215/publication.txt
observed 1533541cd1bfaa4e62f0dbb6de3361ef...
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.