OpenTechnical

OT-2026-000003724

Publication integrity record

Bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000003724) never changes.

Identity and time

Publication numberOT-2026-000003724 · never reused
Internal UUID01a0a90a-de67-74cd-b8cd-a19a2b012353 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:36.937713Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003724
StatusPUBLIC

Content hashes

Canonical text7265599c1be43cfe41076b54d13279d1eb8d95cb1cf15f95895106dc3966899a
Markdownbb1c6421f5eee02a9734f1a5e062b7bf9df3d6d8771a4ba434588d4142cd3ffd
PDF
Publication page5c2c9ddc23dc2fb4739eb1577d23e8cf9bc7210e2a0038674844f1685dc98d9b
Manifest443306ad9f6908b19f8a4e61819011f99b313b04403dd55a04f15291eb70c74e

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
Signature+IBprndBfNqx7F5dGQQHbBxK2NzfMpQ6XIdQjovtChDz8nD3loAITyxFxj92wRLwrvj25D/vlATOniVgfPbLCg==
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

2026-09-16T07:50:35.120828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003724
observed 5c2c9ddc23dc2fb4739eb1577d23e8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.955228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003724/manifest.json
observed 443306ad9f6908b19f8a4e61819011f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.942617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003724/publication.md
observed bb1c6421f5eee02a9734f1a5e062b7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.930258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003724/publication.txt
observed 7265599c1be43cfe41076b54d13279d1...
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.