OpenTechnical

OT-2026-000073481

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000073481) never changes.

Identity and time

Publication numberOT-2026-000073481 · never reused
Internal UUID01a0ae92-efb9-75d6-a259-7591871b167f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073481
StatusPUBLIC

Content hashes

Canonical text837ad9d023ea4060dd006f641df65b2f70421ffb007a60d5cf0fb14675b949f4
Markdown8d0e9e0c0f8041a13774545cd54d06151d8d92d5332a0ca68c9b5e3db813970a
PDF
Publication pagef77036de4d1a0f0171aaf950144d3fa748020de4b216e69fb80a01252ada7b08
Manifest89184e2d116cd2d69eccd9db70cdc274f21b6018e22a92c2e260c363fd7290f2

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
SignatureACEZQfdSkig/cIsZ7jWPySOMcHDOP9DZxUoy0oQ8VJNKuFooIYJWX0jCAWzZctH7OtPWMIGb9CwJhA2sK6nFAg==
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

2026-09-17T10:21:38.896772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073481
observed f77036de4d1a0f0171aaf950144d3fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.879735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073481/manifest.json
observed 89184e2d116cd2d69eccd9db70cdc274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.859822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073481/publication.md
observed 8d0e9e0c0f8041a13774545cd54d0615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.841141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073481/publication.txt
observed 837ad9d023ea4060dd006f641df65b2f...
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.