OpenTechnical

OT-2026-000054602

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000054602) never changes.

Identity and time

Publication numberOT-2026-000054602 · never reused
Internal UUID01a0ae86-1283-7c90-981d-5f6af0382423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054602
StatusPUBLIC

Content hashes

Canonical textab6c6c701c4ecf9a7903e1c71192d1fd179fcabdd4437a7acc93519d76a93dd7
Markdown0c1062d0fbe04d97eec3c201d015ca8fafcfc3a579e90b992de101d0f69b6670
PDF
Publication pagedc902f41c79c013fbec0b58beeecab4cc6b01305fec0c09f52f309dc8393baae
Manifestc80ae00f9b23a16e817fafa52e8137e7767bf06de3d240722b93bc09cc4a0c2d

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
SignatureUj8nEvt+vUhNbEzpV+N72f/EkXZl3b9vrVvpMH23kgiZ9dNpCkQyVDcJdKU0qXvVjKlQDFYAoy8F54YjVz3qBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:39.403054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054602
observed dc902f41c79c013fbec0b58beeecab4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.384446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054602/manifest.json
observed c80ae00f9b23a16e817fafa52e8137e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.365997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054602/publication.md
observed 0c1062d0fbe04d97eec3c201d015ca8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.347431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054602/publication.txt
observed ab6c6c701c4ecf9a7903e1c71192d1fd...
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.