OpenTechnical

OT-2026-000004075

Publication integrity record

Vacuum cup gripper, six outlet manifold, three stage ejector, contact triggered

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-2026-000004075) never changes.

Identity and time

Publication numberOT-2026-000004075 · never reused
Internal UUID01a0a90e-4be4-7bbc-aa89-976e7eb78ad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:21.575323Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004075
StatusPUBLIC

Content hashes

Canonical texta6c197674dd01c95ab5732d43ebfc391591dfff3416cae0a0dbd6d30d013253c
Markdown5602b21df62a76748ce02cf86fb0f7489a4fbbe509dbcea00955f2205dd663ce
PDF
Publication pagea9e4dbdfbd7a22d26efacb2163362809d6dcb95de4794a5311bd114af57548fd
Manifest366bb21dc86f4e66face78a2a2bd53ec268bd5fa877b059d085fc48a5b058882

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
SignatureNQVD6WyM/stmlvk5VUEQ8+NU47ksy03VRVRYCKOZ7vXth1qJponqZlegB+FUDAvly3IwbnJ4u4/tPGJ2TKHeBQ==
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

2026-09-16T07:30:35.178296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004075
observed a9e4dbdfbd7a22d26efacb2163362809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.164281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004075/manifest.json
observed 366bb21dc86f4e66face78a2a2bd53ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.149598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004075/publication.md
observed 5602b21df62a76748ce02cf86fb0f748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.136352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004075/publication.txt
observed a6c197674dd01c95ab5732d43ebfc391...
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.