OpenTechnical

OT-2026-000005715

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, pressure verified, contact triggered, rubber 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-2026-000005715) never changes.

Identity and time

Publication numberOT-2026-000005715 · never reused
Internal UUID01a0a942-6755-7c36-9097-99093a76a62c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:16.472515Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005715
StatusPUBLIC

Content hashes

Canonical text4499ab21e9d7456f5920736c653dd89cfb6a9e90670f3fca9eb7b1fa5f704517
Markdown8ea3ab37ebd46fe59040c7a003eccf829a2029ed0eb8af37fadad00c9eef5be7
PDF
Publication page5ba7a923f8286da0ab860f9faf4efb2db2146d7325b9039047fcfed1f7467a34
Manifest0584145f7e6c8d0ebc494297ce7cb213e3c8b443269771852ab6cc3499a575df

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
SignaturexhPVkQIWDtQZUtFWwrG10vLxhU1SqjGERJQyBrDtduZfNnDFEVUeaNE9TrhQb1znYbXLiFpN4qHjFD0y+XNfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:08.239183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005715
observed 5ba7a923f8286da0ab860f9faf4efb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.221859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005715/manifest.json
observed 0584145f7e6c8d0ebc494297ce7cb213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.207717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005715/publication.md
observed 8ea3ab37ebd46fe59040c7a003eccf82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.192600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005715/publication.txt
observed 4499ab21e9d7456f5920736c653dd89c...
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.