OpenTechnical

OT-2026-000064125

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064125) never changes.

Identity and time

Publication numberOT-2026-000064125 · never reused
Internal UUID01a0ae8d-a45f-72a1-b74c-d4588f32c2e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064125
StatusPUBLIC

Content hashes

Canonical textef9214cd65eae3a8559e3bad4e021bb1c713c9dc18142ca75b2d1dbee8fc7363
Markdownff63bd8f116f3413443fa95d7f78a7127f15e370b903206e0c2e2358f872386f
PDF
Publication page9f1a9155649b6b0d3c067929b3c27896a2aec7e2b26a1f54074227853d169973
Manifest67e70a29683f80eac7bd7ed59952a64c581fb732ade63dd77b6fa18ce1485795

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
Signature7sBgOb2PxiYHgvwpzWKuTJJiEfwFgOmqK65S8/VnYT/mMeq/UaP899YAFhJigL+WdWuNN/fPJIjGTgd2Wf2CAQ==
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

2026-09-17T10:36:07.413906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064125
observed 9f1a9155649b6b0d3c067929b3c27896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.397005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064125/manifest.json
observed 67e70a29683f80eac7bd7ed59952a64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.378610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064125/publication.md
observed ff63bd8f116f3413443fa95d7f78a712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.361644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064125/publication.txt
observed ef9214cd65eae3a8559e3bad4e021bb1...
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.