OpenTechnical

OT-2026-000003830

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, ejector fed, pressure verified

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-2026-000003830) never changes.

Identity and time

Publication numberOT-2026-000003830 · never reused
Internal UUID01a0a90b-2f6d-7340-9256-e1da07e1cab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:57.681347Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003830
StatusPUBLIC

Content hashes

Canonical text71b05dfab0e7d7d6224e0b30be8b007662748587b593103080e6d09d6605de15
Markdown40ed65d4d15e985431baeef91b4c054d4d4a5a8d2c461a3f244633d98fac8d53
PDF
Publication page6f0266fdf9189915c52b8d33c61300e2498d03b0f399be400bc3e549e25acbd1
Manifest2b72f9c4b8d0e5f47bb6aa4244dc732d9ed4d5f1994e9ec77bbf4a750f3e1a28

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
Signaturegz8CQRUuU65KZdj0aUdG/AdyQcSbNLLF5Tu8gGliHsmclQf14+yP6fkof8J69c6DvTTsHMDow3m4SCzelSwAAA==
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

2026-09-16T07:10:17.806480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003830
observed 6f0266fdf9189915c52b8d33c61300e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.790364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003830/manifest.json
observed 2b72f9c4b8d0e5f47bb6aa4244dc732d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.776622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003830/publication.md
observed 40ed65d4d15e985431baeef91b4c054d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:17.761544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003830/publication.txt
observed 71b05dfab0e7d7d6224e0b30be8b0076...
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.