OpenTechnical

OT-2026-000063970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000063970) never changes.

Identity and time

Publication numberOT-2026-000063970 · never reused
Internal UUID01a0ae8d-53bc-768c-89f2-8d31ac0d8e5e · 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-2026-000063970
StatusPUBLIC

Content hashes

Canonical texta1977682aca9fdb9226ba8fe07a5f43c8f599e6b3abd1f42783bd84064176148
Markdown1d48157d566207fb458ff363a4ad1f175a198700d8c3159bc06a0df733476aac
PDF
Publication pageebcd8df2417b80256041a592f101e69b13ef0a55fe6eb826b12eeb8f3ea4f8f9
Manifest6a5346126564ebceb71130ad68d82b49edcd0400e1e693c87c52445d496c2afc

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
Signature6/ANi/owhS/lXRsjp6yaRLF+SpRluPMFIZ7NMPy+QKYjaoYc1G4+DkBBskS5txK6Ecg7KjRkbLyVDzLXQoHHBA==
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

2026-09-17T10:37:02.165874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063970
observed ebcd8df2417b80256041a592f101e69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.146742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063970/manifest.json
observed 6a5346126564ebceb71130ad68d82b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.128947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063970/publication.md
observed 1d48157d566207fb458ff363a4ad1f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.106386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063970/publication.txt
observed a1977682aca9fdb9226ba8fe07a5f43c...
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.