OpenTechnical

OT-2026-000064681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000064681) never changes.

Identity and time

Publication numberOT-2026-000064681 · never reused
Internal UUID01a0ae8d-deb9-74c1-aa25-37f4b58ff01c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064681
StatusPUBLIC

Content hashes

Canonical text45b4f3962d0eba1aaa7ec4dff4aef70323fc32fc3c9d1b2e40c1d30514e75451
Markdown18218ca7b2aeb0b0afecbccce3f5d7c0846fc48fe58f7f6a6196c6551dff3d93
PDF
Publication page5d40842d74dc087f9eb32cf88005a9e3ce49d1403844d3fb6d581a4d02fb1f85
Manifesta0f91fdb9292515f681ba472177766ec04ca92f7cb066ac16e18e6a9d20f47c0

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
SignaturezD/yUJGdEfYujaWTC0nLhVw00YxzmPc7F9DBIQyYNHd89iQpm2LkjxexOxQXuTV7gckrsEU02SZnAhFJFsn8Cw==
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

2026-09-17T10:35:28.636319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064681
observed 5d40842d74dc087f9eb32cf88005a9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.619060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064681/manifest.json
observed a0f91fdb9292515f681ba472177766ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.602505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064681/publication.md
observed 18218ca7b2aeb0b0afecbccce3f5d7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.584851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064681/publication.txt
observed 45b4f3962d0eba1aaa7ec4dff4aef703...
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.