OpenTechnical

OT-2026-000073904

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000073904) never changes.

Identity and time

Publication numberOT-2026-000073904 · never reused
Internal UUID01a0ae93-2b8e-7b6f-83bd-75b4b5b7eb21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073904
StatusPUBLIC

Content hashes

Canonical text7085d9fa6fdd2cf775bfdc855edc07c02c1a15bbab00eb7f1ca17071e1cd4f9b
Markdown0500cab03da80cb2cb1aec40e02ba828d6ea8123bed3b767a7d545613e68636b
PDF
Publication pagec228cc54429867ba3383efb8392ef9f32e950b64e6b48322da1c1f22c8b9d774
Manifestd2902222d6d168678a1a0f03263145eef13e83b404c7b8946e90f67fa2f85efe

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
SignaturejcLxByKsNKsAPk7UEE5DyjgX4aAPjAcbjAA6lqKwba/+R2GyQP3dCQVeklCMedHWRjKmcIWc5wkCEUSCeCt+DA==
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

2026-09-17T10:20:03.717412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073904
observed c228cc54429867ba3383efb8392ef9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.697138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073904/manifest.json
observed d2902222d6d168678a1a0f03263145ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.677371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073904/publication.md
observed 0500cab03da80cb2cb1aec40e02ba828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.655525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073904/publication.txt
observed 7085d9fa6fdd2cf775bfdc855edc07c0...
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.