OpenTechnical

OT-2026-000067506

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000067506) never changes.

Identity and time

Publication numberOT-2026-000067506 · never reused
Internal UUID01a0ae8f-6bd9-73b3-b230-60e771a757c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067506
StatusPUBLIC

Content hashes

Canonical textbf4e9ff1d94ff1963c49c7dafb1c9ef57fe47d4fd32212335155a75f09db0fff
Markdown95d908d20927097a42d8dc3bcd96e54b9b1f5b331876bc6d3ce8261725352d9b
PDF
Publication page0395e58fa183a0f7eb99f9a71dddd3c039233407d193970490983466986186a0
Manifest35c4e293ff0060993e4b0e83c45310ef4d778285bf18c2a09f7b0f7745ca4f44

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
Signaturevqt7iZlQIt5xvCfd7g2hY1PfoSP+EkvjwagWMz5xRgnY2BAWYl36nhh7NmwM3VmwKNX1TjXOzHjcNLm738dRAg==
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

2026-09-17T10:31:48.166140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067506
observed 0395e58fa183a0f7eb99f9a71dddd3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.148121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067506/manifest.json
observed 35c4e293ff0060993e4b0e83c45310ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.130180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067506/publication.md
observed 95d908d20927097a42d8dc3bcd96e54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.113733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067506/publication.txt
observed bf4e9ff1d94ff1963c49c7dafb1c9ef5...
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.