OpenTechnical

OT-2026-000062349

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000062349) never changes.

Identity and time

Publication numberOT-2026-000062349 · never reused
Internal UUID01a0ae8c-0abf-77a5-83a3-4cd30830295f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062349
StatusPUBLIC

Content hashes

Canonical text07c8a7899dca718d1b1101e7a8702ca318e9409b821247c8e7b01ce2320d36ed
Markdown58c64dbf8f97c365513cf2c3596ad97f0333ceba8d9bc9ffaeef8a769523d665
PDF
Publication page7a1511c808095a9f316dab3fa16fd303f89afad61c12ab3c00b056186213d6d8
Manifest2f51f4ca1baaf748988f118cc8b7c5cd050f814963b4e14be1b5e113d0e05aa2

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
SignaturemuD46ehAhjgM4+FmbVuZVkpCw7/41OaWXbkvs8zIsCEq3r2Dnd+N0QaK4/n11LwATlnsZtnjA8Yl3uU17UxwBQ==
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

2026-09-17T10:39:39.716797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062349
observed 7a1511c808095a9f316dab3fa16fd303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.697552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062349/manifest.json
observed 2f51f4ca1baaf748988f118cc8b7c5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.679477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062349/publication.md
observed 58c64dbf8f97c365513cf2c3596ad97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.661776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062349/publication.txt
observed 07c8a7899dca718d1b1101e7a8702ca3...
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.