OpenTechnical

OT-2026-000010891

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, vented after 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-2026-000010891) never changes.

Identity and time

Publication numberOT-2026-000010891 · never reused
Internal UUID01a0ae6c-540d-7e51-9302-b89fa0c56f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010891
StatusPUBLIC

Content hashes

Canonical text6bf47d81f51f50b6de1f7bd6eba076e42fdae1ba30856ec2e27f485937ed24b3
Markdown32daf8167721d0a8fdc47e46e9cfe0abef0020a701cae56f1d4600f083d6b80b
PDF
Publication pagedceaa9a0b324eb3974788b1725552cb8caab29ec90be3e6c20d387d47790b5be
Manifest435cc61b5c7f755eebe9c7544706e4b925b5ef4cc4a178d905415335923986dd

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
SignatureMzUfQ+4ChnArDzyKJnyysETvpcqRAjtp+4xHZkMwSddmATPtHX5rIGH2OKyj9EM30zCGHx6tFp8LbrYyThBoDw==
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

2026-09-17T12:13:39.570110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010891
observed dceaa9a0b324eb3974788b1725552cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.551812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010891/manifest.json
observed 435cc61b5c7f755eebe9c7544706e4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.531717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010891/publication.md
observed 32daf8167721d0a8fdc47e46e9cfe0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.512500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010891/publication.txt
observed 6bf47d81f51f50b6de1f7bd6eba076e4...
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.