OpenTechnical

OT-2026-000005124

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector

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-2026-000005124) never changes.

Identity and time

Publication numberOT-2026-000005124 · never reused
Internal UUID01a0a92e-9da0-7377-9e49-5249dc1149ff · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:39.651508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005124
StatusPUBLIC

Content hashes

Canonical textcc20d7719ee8360a05fd656431e9b485722d51381752f7c85fb628b85fd9cd7a
Markdownb4d594d74b90473876574bd73592e5627f3635e0526bdb3fcc2bfaafd9b3aa1f
PDF
Publication pageffb0df14d404f689dcfe306df38bc693d475e49551333a1a720e28633f1ddbe7
Manifest3a929eb33d28db1af00315c9a60af08f8e0fe7c8e38bd5d1f3c07d3a4dbe3a40

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
Signatureg1MBAr3vmUXpqpyqF+THz2y5gQ5tVNn/AQAepNUMfHIxuFoFpMW19ruDh3KzCxGKYgXznbZ3poel2HlIK27nAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:12.908418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005124
observed ffb0df14d404f689dcfe306df38bc693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.893682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005124/manifest.json
observed 3a929eb33d28db1af00315c9a60af08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.879513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005124/publication.md
observed b4d594d74b90473876574bd73592e562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.739911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005124/publication.txt
observed cc20d7719ee8360a05fd656431e9b485...
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.