OpenTechnical

OT-2026-000009681

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000009681) never changes.

Identity and time

Publication numberOT-2026-000009681 · never reused
Internal UUID01a0ae6b-7564-78b3-8fe6-59973e56f35e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009681
StatusPUBLIC

Content hashes

Canonical textc8b5098ea3874729786169da8c35d41caa3fa79c4c36aba783b0270bde071cc4
Markdown0e48e642c1d1dd9b3d6d11756e5ca0459b0b51e4874275bdcb39829484a31943
PDF
Publication pagea04fc79372a7af71c7c91baa17b9903879f8f32f47c0551478c983cea23bd0b9
Manifest474eafec7dfb8d18bd0650397be5c8aa30e6fbfc6694a4634be1edeac60d425e

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
SignatureBDoSlDHBMaDaD4+Jv/X8wS4F/oz8SEws3CZD+QGNr5Kwue9ipTxeukGiYlgXNlBJmejYR9F8wqfEoB8rSMpLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:09.646433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009681
observed a04fc79372a7af71c7c91baa17b99038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.625929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009681/manifest.json
observed 474eafec7dfb8d18bd0650397be5c8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.605760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009681/publication.md
observed 0e48e642c1d1dd9b3d6d11756e5ca045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.587191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009681/publication.txt
observed c8b5098ea3874729786169da8c35d41c...
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.