OpenTechnical

OT-2026-000030063

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000030063) never changes.

Identity and time

Publication numberOT-2026-000030063 · never reused
Internal UUID01a0ae73-ac4a-7250-ac28-f48d4e683614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030063
StatusPUBLIC

Content hashes

Canonical textfd146c7c71e31de0813976ee63882cda1dc3b7a0b98a83d436ebf55018923e0d
Markdownfb2dad3f94cd789dcb1fe4028c143c34875250567885503ba2739678d6bd9103
PDF
Publication pageaec8ba4a6b53c75fb0ab102995e86be60b3f91074a35f940fc5d12a68dcd8196
Manifestafb0db93a0f2c5b2e94dc959937f5f2a6b05f6d22f9d3ab89ecc6ce332d340b7

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
SignatureYWKkf7igkJ2d1xASFbjHdSZ2AisNINYU2UVmsSiEMFpqWA2milT1X6bX+OfmuCHYyW6Ht6XEv8WxgikUnl5kCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:48.316744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030063
observed aec8ba4a6b53c75fb0ab102995e86be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.299454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030063/manifest.json
observed afb0db93a0f2c5b2e94dc959937f5f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.281636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030063/publication.md
observed fb2dad3f94cd789dcb1fe4028c143c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.264186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030063/publication.txt
observed fd146c7c71e31de0813976ee63882cda...
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.