OpenTechnical

OT-2026-000079363

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, sustained 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-2026-000079363) never changes.

Identity and time

Publication numberOT-2026-000079363 · never reused
Internal UUID01a0ae96-0b90-7d2b-ad61-397986741807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079363
StatusPUBLIC

Content hashes

Canonical textc2c52e512357f047fb3abf25865ac7c9785bf4bd58b24b05d81245bda59da88a
Markdown22f82fbe573e24e3da7f63d3f428a9c7491c88a96e69e9ddcb201e2c2a8b0552
PDF
Publication pagec64b59702c1922babbf635ac6a879b3a71ae66a657651ab71a76c835f2a9ddac
Manifest85ee61f3c1cec4c33be515b9b256a93aa6b6e2a3f86d3b622eef4bb9b13b2327

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
SignatureuoHNade1td+Fb7k9jMR1sm+UMLt6lMQan6xXyqAX0PdnNSNgWCxuHN3jr9Qsl2tmtgH+kY0dhIFF5KqBwYcCDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:42.862528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079363
observed c64b59702c1922babbf635ac6a879b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.844686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079363/manifest.json
observed 85ee61f3c1cec4c33be515b9b256a93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.805150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079363/publication.md
observed 22f82fbe573e24e3da7f63d3f428a9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.765484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079363/publication.txt
observed c2c52e512357f047fb3abf25865ac7c9...
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.