OpenTechnical

OT-2026-000068636

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068636) never changes.

Identity and time

Publication numberOT-2026-000068636 · never reused
Internal UUID01a0ae90-2483-7f77-aef0-346305099dc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068636
StatusPUBLIC

Content hashes

Canonical texte7784510a44fd788779c01dd6605ec30b8899bc9624873f500f8821c6d4d6e71
Markdownb40d92f9ffc2b54678afc32157acffb2b774e7193d398e88f363e36a3d0ac09a
PDF
Publication page0fbc103f08134558aeb635d5f5b2dbbbfc6c9a4bdc9828fcdab3734180e2e8aa
Manifest6a59528c1115f479d09f69d8b5cd4cc3bba04397ed7e409ca1221b0ef5234f56

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
SignaturevfwEnqJm57LquukJtQeXslVhwA2OXGFKQ0IXfp7N85slnnDeUiNH7e/ewgpdNKs8qQcgYruaXisnl+C3upfHBg==
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

2026-09-17T10:29:49.513043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068636
observed 0fbc103f08134558aeb635d5f5b2dbbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.492458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068636/manifest.json
observed 6a59528c1115f479d09f69d8b5cd4cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.475848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068636/publication.md
observed b40d92f9ffc2b54678afc32157acffb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.458016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068636/publication.txt
observed e7784510a44fd788779c01dd6605ec30...
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.