OpenTechnical

OT-2026-000070025

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000070025) never changes.

Identity and time

Publication numberOT-2026-000070025 · never reused
Internal UUID01a0ae91-1861-743d-a508-cd58224c682a · 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-2026-000070025
StatusPUBLIC

Content hashes

Canonical texta799db9318d8d9df5d9b21e2da4ec668a19f3f667bb1366e3eb31388c1d4c4f3
Markdownca4f8eadc5eb2550c1b2558ee5dccfb55300e4930ddbefa637729349dcd1f894
PDF
Publication pagea84bf14f97ac339e099781bcf29b06562ab56ef974565d1574ef520edb0561c7
Manifest7ea928c423f629da9305f62dbce42a72312ef434ccd6f28a0fc607caadc1d1ea

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
SignatureiGY045JtwYcHlBnnTy/1OVLaPRbqNG7sXcFR2qWRHyxZ0obVVDAsN8oL3uxi13zHZQVgtGhjgrmaoi45Zmm9BA==
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

2026-09-17T10:26:58.683492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070025
observed a84bf14f97ac339e099781bcf29b0656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.665351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070025/manifest.json
observed 7ea928c423f629da9305f62dbce42a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.648128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070025/publication.md
observed ca4f8eadc5eb2550c1b2558ee5dccfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.630266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070025/publication.txt
observed a799db9318d8d9df5d9b21e2da4ec668...
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.