OpenTechnical

OT-2026-000005156

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, two 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-2026-000005156) never changes.

Identity and time

Publication numberOT-2026-000005156 · never reused
Internal UUID01a0a92f-ad5f-7c54-b70e-8a17e245b7b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:49.218101Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005156
StatusPUBLIC

Content hashes

Canonical text788d22b5df55cc6ba128fd33d3adf9865b66c6f0f168f78cdba687cfd3ec72bd
Markdown0ea26c581638c64ea783fddd9fa62be0647dd04b46fc6273573b72ccf6f399b6
PDF
Publication page7cfb1232ad91a4ac4a837bfb7a44d6d26e283c2479ec4231fa3c5e1972f39818
Manifesta8f0d4252d633976876b31ec1116bc7da7f208237cec03275b2e6bfcb6e8f64f

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
Signaturely2Mr3gJPPchLwzjPBvx3wA5fD+YFTwPAPeQpkA4+5q+2rd7lkvT3Pld7MtVwnnTtVVn1neEuJ6iaBnKv6FODw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:09.232446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005156
observed 7cfb1232ad91a4ac4a837bfb7a44d6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.218415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005156/manifest.json
observed a8f0d4252d633976876b31ec1116bc7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.203025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005156/publication.md
observed 0ea26c581638c64ea783fddd9fa62be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.186394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005156/publication.txt
observed 788d22b5df55cc6ba128fd33d3adf986...
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.