OpenTechnical

OT-2026-000076594

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076594) never changes.

Identity and time

Publication numberOT-2026-000076594 · never reused
Internal UUID01a0ae94-b06e-7bfa-be96-f255ec2fb703 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076594
StatusPUBLIC

Content hashes

Canonical text728bcb062cd37f5baa80d04c093d2a2d0d2ba0226d960eed6c97e001c0c1cb76
Markdowndf1f0f1240a1844703052d6c78468f4bd9e93ac4b89e96418810e98e9611d889
PDF
Publication page42655ce686a30647723edc6c39ca73e3f66983ad92f852fa91ac00967d0d70d3
Manifest00602e827a2e891fdc03d05c0f7b7d68ba984ab4ef2652c13477a093ed0202f9

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
Signatureaxr8M3HT0//5wIiJLIpZ6o6EiLB785QhGc+b4hvUKobwH8viCw5bcks3C7Bd/oJ5xbN3etcsyn7wDlcuX6X+DQ==
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

2026-09-17T10:09:18.291904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076594
observed 42655ce686a30647723edc6c39ca73e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.272459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076594/manifest.json
observed 00602e827a2e891fdc03d05c0f7b7d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.252799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076594/publication.md
observed df1f0f1240a1844703052d6c78468f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.234211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076594/publication.txt
observed 728bcb062cd37f5baa80d04c093d2a2d...
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.