OpenTechnical

OT-2026-000022263

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000022263) never changes.

Identity and time

Publication numberOT-2026-000022263 · never reused
Internal UUID01a0ae6f-f4fc-71c3-8e43-7bf406a6f4b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022263
StatusPUBLIC

Content hashes

Canonical text960dec87a958511dc54f6cdd09db6407dcde2019ffbfbf736c4d8b8138a4b76f
Markdownbd096b4528fb4c1dfe78c9d92661fb3ebebecd34b6130146f17af015a3341612
PDF
Publication page9abefbe12b2a34c9e9a7248a7387dc2e09872f3a60b9bd8f073098a9fe9ce70a
Manifestb534dc9657c0952b09702cd40f63f0a8329c00d366ee128681c5b968710773e4

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
Signaturem6DdH2WeR//iObVHaa3LN7lUWA6dYZ33U9O41JrW6zOo75LXGg8LXf0UbpEsEiY5KWyr8eR+QYmXUhEIhJyMCw==
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

2026-09-17T11:53:03.748659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022263
observed 9abefbe12b2a34c9e9a7248a7387dc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.724761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022263/manifest.json
observed b534dc9657c0952b09702cd40f63f0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.706120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022263/publication.md
observed bd096b4528fb4c1dfe78c9d92661fb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.687267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022263/publication.txt
observed 960dec87a958511dc54f6cdd09db6407...
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.