OpenTechnical

OT-2026-000064712

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000064712) never changes.

Identity and time

Publication numberOT-2026-000064712 · never reused
Internal UUID01a0ae8d-deb9-7bce-ad76-a97206c29fb9 · 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-2026-000064712
StatusPUBLIC

Content hashes

Canonical text7fd9ff30d166a6aabf9d335f227fd7d4a1f3e29f032c387b07e2dba25119341d
Markdown8deaf01d4faa702f9f76bf83d932f6ca7ae3e7cbd67c56921f12ffd7c58f7615
PDF
Publication page1c292e50c33dc0103d0c9d9c5ef5929b01e937c753d87ed027d43090e7e14f38
Manifest127cfa476089d608ad7e68283f7153fb6c0f7c6f7885397173821c12c234ad55

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
Signature9dOSCU/o8EAP3X3Dn6VZc9e7u6QAf6QNYVbJMo6D3QUZ66Z96LOEjJx6UV55rE6VJtNF/UaNIf9bRdGg7XrcBw==
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

2026-09-17T10:35:35.069811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064712
observed 1c292e50c33dc0103d0c9d9c5ef5929b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.053448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064712/manifest.json
observed 127cfa476089d608ad7e68283f7153fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.036064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064712/publication.md
observed 8deaf01d4faa702f9f76bf83d932f6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.019678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064712/publication.txt
observed 7fd9ff30d166a6aabf9d335f227fd7d4...
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.