OpenTechnical

OT-2026-000070105

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000070105) never changes.

Identity and time

Publication numberOT-2026-000070105 · never reused
Internal UUID01a0ae91-1861-7ab8-b57e-96348a2185bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070105
StatusPUBLIC

Content hashes

Canonical text34374974ab0bfec17f7a7c623afa66f30951957153497c25eea7dc2940364779
Markdownf4a2a83da99f7bf12ca4e1493128c0f04f71e120117bdd4771980a9971ae5faf
PDF
Publication page230de841aed1ce56513d3929f42003922a243acb9d8c0cd22fe6536fcc3b89a1
Manifest6af2628f669a51dffc0ec661e72e56809b8aa35fe0b026b9d2bdb347f7a6d983

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
SignatureNsJWWvLJIaBQq0XAvE8RFyeUoCTClS2MeHyt6hqRN7YXxpu33VNsL7Y3paWZXj3yRVlPf/6RD7Go2X0Y756BCg==
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

2026-09-17T10:27:04.598167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070105
observed 230de841aed1ce56513d3929f4200392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.580007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070105/manifest.json
observed 6af2628f669a51dffc0ec661e72e5680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.561455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070105/publication.md
observed f4a2a83da99f7bf12ca4e1493128c0f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.541939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070105/publication.txt
observed 34374974ab0bfec17f7a7c623afa66f3...
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.