OpenTechnical

OT-2026-000063518

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000063518) never changes.

Identity and time

Publication numberOT-2026-000063518 · never reused
Internal UUID01a0ae8c-f945-76ef-aa75-e978941fedcb · 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-2026-000063518
StatusPUBLIC

Content hashes

Canonical text024c4d532e044dbcdf180dd9d574103097e4d8f3797c76e80df95cd04fd497ea
Markdown4cbf6a22b144a9269793ae4cc022682d68aa46e0d0ce4d2fba07340d39632486
PDF
Publication page145f1b4fd7bd6bcdf6b9261a9a1753536d2d71b6a134e3a36e00414edff89d94
Manifestf3beeeae86ae5cd5494880c8afd160725a560cd7671c5a4b1dc1a40c64154161

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
SignatureDI0XEtlVFVOcBk5zb37YLyk6kO2qXqozPS4A9/CPKsEVRVPHxZ+PZ/ebqZ1LjG6yL9ftc3zEDNX+jtTeCy/GDw==
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

2026-09-17T10:37:30.299167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063518
observed 145f1b4fd7bd6bcdf6b9261a9a175353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.277505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063518/manifest.json
observed f3beeeae86ae5cd5494880c8afd16072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.256206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063518/publication.md
observed 4cbf6a22b144a9269793ae4cc022682d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.233167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063518/publication.txt
observed 024c4d532e044dbcdf180dd9d5741030...
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.