OpenTechnical

OT-2026-000067590

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump 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-2026-000067590) never changes.

Identity and time

Publication numberOT-2026-000067590 · never reused
Internal UUID01a0ae8f-6bda-7403-ae09-128ed865f89b · 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-2026-000067590
StatusPUBLIC

Content hashes

Canonical texte9fc6ac2527c2dee0647d9baa7912d2e6bc70c75032228e33cb9c613c6147413
Markdown1f7b43fd7d63fb130431ecc796eb24ce165ce0f451c7c1371f54d0a1e3febfe4
PDF
Publication pagee405b250240722872ee2714ed6cfc2fa9dd4077089c4c797709da769fd717a26
Manifest9bf3e920e52817bac0695ab063af29ce9f1bcc88ddfadf258b0338b70e2c57e5

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
SignatureIGn0wAfj6CabsIyQ8a9DrNz5SHjierPEKv7QciQuqfPEIjxxTpLHYyr/Lb+A+Her7i9lmBhxZ8Gh0bGLtGrVBw==
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

2026-09-17T10:31:54.334800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067590
observed e405b250240722872ee2714ed6cfc2fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.318784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067590/manifest.json
observed 9bf3e920e52817bac0695ab063af29ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.301154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067590/publication.md
observed 1f7b43fd7d63fb130431ecc796eb24ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.283720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067590/publication.txt
observed e9fc6ac2527c2dee0647d9baa7912d2e...
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.