OpenTechnical

OT-2026-000063426

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000063426) never changes.

Identity and time

Publication numberOT-2026-000063426 · never reused
Internal UUID01a0ae8c-f944-7b08-9490-79d8b592d78d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063426
StatusPUBLIC

Content hashes

Canonical text7453bee9d09995d86f81ffb4aed9816f97610c72d1fb6ac2026bc1c7ae3459c2
Markdowna2c00becaa2168345d1eea97c5fcdf688014a5e7b9cf86fcf6b4ddbe252a5574
PDF
Publication pagede38fcf1c69ff92e4f904753541121039fc2f729f382e3e61803852fad46f4b9
Manifest0a679c9c78aa8253893188161603c041974dc3c54d2fd50d8483e04fbc2e7906

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
SignatureIdh4C+y/Olk8JUL2F1252mVvjj4wmugIJClcSu5ReAHTjxclbayxoX0etYNVCo4GFx3HJ/ZfryLY4rvDYv/+DQ==
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

2026-09-17T10:37:21.042041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063426
observed de38fcf1c69ff92e4f90475354112103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:21.022401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063426/manifest.json
observed 0a679c9c78aa8253893188161603c041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:21.002976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063426/publication.md
observed a2c00becaa2168345d1eea97c5fcdf68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.984096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063426/publication.txt
observed 7453bee9d09995d86f81ffb4aed9816f...
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.