OpenTechnical

OT-2026-000067802

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000067802) never changes.

Identity and time

Publication numberOT-2026-000067802 · never reused
Internal UUID01a0ae8f-c4fb-7e68-bf68-9f960cc046db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067802
StatusPUBLIC

Content hashes

Canonical textaa14689d96a724a0afd092ff8e520eac8e2474789d777ce6fe7948cd399baa1f
Markdownea93fb3db9a8365a954b1b8e64045724c684f8030d252d2d2ff99e755636f6bb
PDF
Publication pageddb4c1b81bc653a90da865d635f977931a4ff15c8c97dcf07f999cc727d89379
Manifest6168797be420b0ee20128bec95fbcd9bf8224d8750ddcaa4a03173a5657dccb0

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
SignatureTcAgI+ljTzxZHl9V9ioAUZqINuAt8jFWGMUty+gPvHdK6Sw6CWY2hLqCkxrv3dd9ba8kfraXGVBg/GpJMvmVBw==
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

2026-09-17T10:30:02.692030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067802
observed ddb4c1b81bc653a90da865d635f97793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.673978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067802/manifest.json
observed 6168797be420b0ee20128bec95fbcd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.655870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067802/publication.md
observed ea93fb3db9a8365a954b1b8e64045724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.635972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067802/publication.txt
observed aa14689d96a724a0afd092ff8e520eac...
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.