OpenTechnical

OT-2026-000067061

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000067061) never changes.

Identity and time

Publication numberOT-2026-000067061 · never reused
Internal UUID01a0ae8f-14fe-7d93-a987-c5d312d0755e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067061
StatusPUBLIC

Content hashes

Canonical textf2a26974850cad8bba63b02787567bd65596f83b713eda03d2637a76546ddd61
Markdown5a973b9660ca6fabeb7e048d54f4d66460b5036155ca6c514dd1e8f9dd5a751b
PDF
Publication pageb0a28a83ca101ce24cfc11565d361095acd01330498829eb807465d08f481e7f
Manifest5c0c8bb2eabca60672fb362281c58f4032ab35f9ac68b67965cb15d1a579d497

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
SignatureL2+u+u6tcCohiHOCF1bhUnT8AvaweuwbgB5Yor6o/XNm6yOGUEC1j76O4vdwme0JqPu/7ST9NNWokvVqUMnHCw==
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

2026-09-17T10:32:19.194605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067061
observed b0a28a83ca101ce24cfc11565d361095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.177467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067061/manifest.json
observed 5c0c8bb2eabca60672fb362281c58f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.161338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067061/publication.md
observed 5a973b9660ca6fabeb7e048d54f4d664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:19.142049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067061/publication.txt
observed f2a26974850cad8bba63b02787567bd6...
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.