OpenTechnical

OT-2026-000025707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000025707) never changes.

Identity and time

Publication numberOT-2026-000025707 · never reused
Internal UUID01a0ae71-9bca-7fce-bba8-df9e49f9e210 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025707
StatusPUBLIC

Content hashes

Canonical text0b5537b0c732e7dd9957e2c7750fa33b8a74e18991a183623fa26fead834537a
Markdownb5c4d21979e62bf0df6b2b1c853b03cc71d5779266dc24ea0a9fd988aa81c96d
PDF
Publication pagea83318c799cc1c880a3300f41528e0874c899266c0314a9de91768d14f0bc5d0
Manifest2b69231d56d8b8cf01bc9e84a085b80a21e0c62ded7b0515ad05bdd986e88a0b

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
SignatureMzrUmEgKQTc7pla0hGaD5SbU4L4TlUr9d+5DheerXSt9Ffun2eimwAT4GJm5ggHlWC5BtY6MvZ7NOVRX7XhPAg==
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

2026-09-17T11:46:55.338577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025707
observed a83318c799cc1c880a3300f41528e087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.319100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025707/manifest.json
observed 2b69231d56d8b8cf01bc9e84a085b80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.302723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025707/publication.md
observed b5c4d21979e62bf0df6b2b1c853b03cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.285301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025707/publication.txt
observed 0b5537b0c732e7dd9957e2c7750fa33b...
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.