OpenTechnical

OT-2026-000003579

Publication integrity record

Vacuum cup gripper, four zone face, two outlet manifold, pump fed, pressure verified

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-2026-000003579) never changes.

Identity and time

Publication numberOT-2026-000003579 · never reused
Internal UUID01a0a90a-6f60-7e8e-8360-96c3104e2199 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:08.515586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003579
StatusPUBLIC

Content hashes

Canonical text33d5094250aecd3aff8b5dd05798c8ab764062a816227bad0bb705428c4ffa9d
Markdown64e7b727d53816e251260924429c0560744197f7f4f873ae9f37d3afcb8517b2
PDF
Publication page8102a68b26fc0872f5d9771c884068cbac68e9ba13dfa5bf7ee827384514332c
Manifest7daf1307bde34e6715cb4ef6ad78a369d3cd5ae837ee23132edb5fbe19e55563

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
SignaturefmQEaz3nkt1pPJXgEc/ml/MY3AE6SfkPpmvRFF5QItmKGzqedW6DGZAzpLBfsSuff32hh4mokeSmvh9XGwwWBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:37.978247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003579
observed 8102a68b26fc0872f5d9771c884068cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:37.961136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003579/manifest.json
observed 7daf1307bde34e6715cb4ef6ad78a369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:37.946798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003579/publication.md
observed 64e7b727d53816e251260924429c0560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:37.931137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003579/publication.txt
observed 33d5094250aecd3aff8b5dd05798c8ab...
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.