OpenTechnical

OT-2026-000006983

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, six outlet manifold, two stage ejector, plastic 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-2026-000006983) never changes.

Identity and time

Publication numberOT-2026-000006983 · never reused
Internal UUID01a0a96e-82fc-7db9-86d9-b011e00ea9ca · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:27.135502Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006983
StatusPUBLIC

Content hashes

Canonical text2d8b179fe148510af74af006605431498ef5c44c4c032ec7cfb73850959f32a4
Markdown577e8511e42df2d6e0c57d5815a697b6ed8d9e23303cf57674f9b5f7eae6dbb1
PDF
Publication page63330b11b890d1fa92383af6f7cd8fafc3fddc82cd56bfd07063291dc950e9e4
Manifest5bc585e12e3438bf01efce69d85cd758359560db6f9bd8cf2b55c30c23bd0211

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
Signature8+45Bm6mxZlKcc9358mOsMjvRJrlEqSmEfwDQSauH0xqtXixsR4exRX4Sg67mmOe5mJ37pxwWzUezS6Rp2g/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:14.995148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006983
observed 63330b11b890d1fa92383af6f7cd8faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.983440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006983/manifest.json
observed 5bc585e12e3438bf01efce69d85cd758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.969519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006983/publication.md
observed 577e8511e42df2d6e0c57d5815a697b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.957181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006983/publication.txt
observed 2d8b179fe148510af74af00660543149...
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.