OpenTechnical

OT-2026-000063538

Publication integrity record

Foam pad vacuum gripper, 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-2026-000063538) never changes.

Identity and time

Publication numberOT-2026-000063538 · never reused
Internal UUID01a0ae8c-f945-76d0-8c9d-f5915741c5ed · 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-2026-000063538
StatusPUBLIC

Content hashes

Canonical text705c2503aa36f617389f92e693ec677a5db8e7d55b95b6731c5d7a6980ee428f
Markdown53397f171c90f03d41e36c4c2385c96e911f31e02c82c8902ac963f78ff3c5fc
PDF
Publication pagee29a73748547fa74446b5a455bb42f7be09b98b5f9232e48b20056ecd4c27920
Manifestc36ddbe2585b89569284f362ee9987498ceefeb17c979ea6ad4f8ab2dc7e9d69

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
Signature/wDc3iE97Giob2BrayMB5dct7W3bgGWDBrAMSP9GsBfGPPl4SIA3We9gXvXmKV9/nYXl/7xYJ47Jh0jQBzapAw==
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

2026-09-17T10:37:32.049161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063538
observed e29a73748547fa74446b5a455bb42f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.028142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063538/manifest.json
observed c36ddbe2585b89569284f362ee998749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.978587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063538/publication.md
observed 53397f171c90f03d41e36c4c2385c96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.932123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063538/publication.txt
observed 705c2503aa36f617389f92e693ec677a...
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.