OpenTechnical

OT-2026-000103579

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pulsed blow-off after 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-2026-000103579) never changes.

Identity and time

Publication numberOT-2026-000103579 · never reused
Internal UUID01a0aea4-e461-7aba-8aed-de6ba58324d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103579
StatusPUBLIC

Content hashes

Canonical textac782cebad76a8acf050d52dc7fda2e4d9781cc5927210e99f4198a5dca157ac
Markdown7d6bd3c32764cd0ddc410b70205c68b690518f6a87ad03b38c97086d5819f09f
PDF
Publication page5132267514116c94e53e7ffa1b91ca7638c58649b511b6fcdb13c4f4819c1c1f
Manifest1a81ed3bf1e0ba679536bf5e9f9f4794704372517945f70dcbbbc6d1ae4b3cfd

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
SignaturejujYQMRddxlhbQPZIn8cxqv8kxXjS981TJWzB1v1xUratycYw8pGo9RgHo38soW2JYIayHFjTIHREMrST9MiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:21.838869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103579
observed 5132267514116c94e53e7ffa1b91ca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.823324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103579/manifest.json
observed 1a81ed3bf1e0ba679536bf5e9f9f4794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.806337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103579/publication.md
observed 7d6bd3c32764cd0ddc410b70205c68b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.790372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103579/publication.txt
observed ac782cebad76a8acf050d52dc7fda2e4...
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.