OpenTechnical

OT-2026-000003611

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, ejector 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-2026-000003611) never changes.

Identity and time

Publication numberOT-2026-000003611 · never reused
Internal UUID01a0a90a-8759-73c4-87ab-544b5c970628 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:14.652179Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003611
StatusPUBLIC

Content hashes

Canonical textea7ca98a442da5622af34ee7cccd22872975b28174d55842fde1b6be1e06a82c
Markdown3e9b04e3cda936c44b9b94f2704b44007a9abc00d87fd12cc355283ea7718afd
PDF
Publication page0221b579a7e21473f4a8f3f6908eb695da745784e73b67d37b06cef8589f901f
Manifest1ba63afac40126245b0c719e3bd716b95618a7879e7c4c5c06546f85b48bf505

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
SignaturebUFt5qkgRRBC8skKmP7oJg3SyMwyUIZf6sIu7XaJUC/Om7vztB0CqoOoPeBP0kCT21oji4kh/ntiiguJcJpGCQ==
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

2026-09-16T08:30:38.420915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003611
observed 0221b579a7e21473f4a8f3f6908eb695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:38.405687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003611/manifest.json
observed 1ba63afac40126245b0c719e3bd716b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:38.391719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003611/publication.md
observed 3e9b04e3cda936c44b9b94f2704b4400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:38.376250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003611/publication.txt
observed ea7ca98a442da5622af34ee7cccd2287...
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.