OpenTechnical

OT-2026-000093868

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000093868) never changes.

Identity and time

Publication numberOT-2026-000093868 · never reused
Internal UUID01a0ae9e-92c7-754e-8621-b56f786599d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093868
StatusPUBLIC

Content hashes

Canonical textdf1ffc60b0481c8f5d25947fa1798e47f817b1b0bf47c94388532b6c607f0e50
Markdown491a02945e60991e4fa60e8f081b900886e5ba1bc99d85fbf3fa56864b5b74ca
PDF
Publication page6e9fc9d8b1ab52b93d176fc328a7077a15d3fa51fad19fa466a96b6e33bcfcb1
Manifest4f37ed8d5052adccab64809b045e42fb5a09a1e4219ccc5a2bab4c59e1dd5173

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
SignatureMSohDNGJ7q5TazthMkQwplQcZyo1E8R0Fx9Vsli0wSZblyl5YOAsLbj0Fh58+4Y6VafirKVRn1N9+9TN+0LMCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:07.705869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093868
observed 6e9fc9d8b1ab52b93d176fc328a7077a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:07.687839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093868/manifest.json
observed 4f37ed8d5052adccab64809b045e42fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:07.671577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093868/publication.md
observed 491a02945e60991e4fa60e8f081b9008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:07.653358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093868/publication.txt
observed df1ffc60b0481c8f5d25947fa1798e47...
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.