OpenTechnical

OT-2026-000003932

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, vented after set down, silicone cups

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-2026-000003932) never changes.

Identity and time

Publication numberOT-2026-000003932 · never reused
Internal UUID01a0a90b-80e8-78f6-bcf4-2c810810e7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:18.538582Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003932
StatusPUBLIC

Content hashes

Canonical textfc522c4d597ee29b862360af0d66dca0e869d5a93e62e350f29435cc64ac9a5a
Markdown0af22d31441f97bb465e291d895eee9f3ad27c74b2ce5ff27512572eeaac89ac
PDF
Publication pagee9d8ae7f3ee219a7fde296afe96eb7f0d976e1e2827549716d1ec09e38f69bfc
Manifestb2931cf585084273df323888700898a222c1c8444a2c08f3f861e78a6126fc08

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
SignatureHlZQDgqCQwPZSYSr7g1uGPNmwM3XNDD6ZIqEzrrBZmvsmCDmtgl9ehCFkdaWNIz+eC70p4xe7qoTEMJRo7iSAA==
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

2026-09-16T07:10:11.523964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003932
observed e9d8ae7f3ee219a7fde296afe96eb7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.510042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003932/manifest.json
observed b2931cf585084273df323888700898a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.496059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003932/publication.md
observed 0af22d31441f97bb465e291d895eee9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.481205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003932/publication.txt
observed fc522c4d597ee29b862360af0d66dca0...
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.