OpenTechnical

OT-2026-000063874

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000063874) never changes.

Identity and time

Publication numberOT-2026-000063874 · never reused
Internal UUID01a0ae8d-53bb-7abd-b21f-9181caa1ec0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063874
StatusPUBLIC

Content hashes

Canonical text84d3d3968057e966a01dce22a99e56ff15cb067d33535ad092502132956832a6
Markdownccdc93d5c993703c7c535e0c7a654670d580372b15e00cfb9bb8d9d884889ce5
PDF
Publication pagee8e5aaf222a1ec514bcb38f34c744acac4b36fd64475dd1b71cd58f0e2ff65f1
Manifest43e5d5b38a0876a3ab5524d95a11ac3c465f9c66de97cf1e7d395814895ffa66

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
SignatureMT37yJ8oGfLXa1I2VLz57AMtw8mnVaCRqN4CJAQxSrWwWO4gBX2/l47wiw0j9ljpC6KsjXo8ZThbqmjJmHMDAQ==
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

2026-09-17T10:36:54.840017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063874
observed e8e5aaf222a1ec514bcb38f34c744aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.821480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063874/manifest.json
observed 43e5d5b38a0876a3ab5524d95a11ac3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.803100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063874/publication.md
observed ccdc93d5c993703c7c535e0c7a654670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.784741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063874/publication.txt
observed 84d3d3968057e966a01dce22a99e56ff...
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.