OpenTechnical

OT-2026-000066021

Publication integrity record

Single cup 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-2026-000066021) never changes.

Identity and time

Publication numberOT-2026-000066021 · never reused
Internal UUID01a0ae8e-8dc2-733d-bcaa-d96dde95e4c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066021
StatusPUBLIC

Content hashes

Canonical text576e125bc5cb6d2ff166e01773ed66fce03b67297008a44f6ce1124d1805b66a
Markdown75a00dc44471a1b7a0bc0f893e4bf05132ae76956b29b4e3e5a4eb2405c7a157
PDF
Publication pagebd8858833d80edba58896fb56c771820bf67edc48d3c214816fbacaadc8d30d0
Manifest62b620293e11a6052217a3f4c3ff1b56bbd0abef4f412fd818a11f909bc559c1

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
SignaturegyRjscn5/5pTaSiDasALyZiHH4fYYKCndcoXDyh7pUYOmMAH0n4Z1a+IdTQ0T1ADQBu31UCilSu0HjxOnWzGAA==
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

2026-09-17T08:50:35.046867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066021
observed bd8858833d80edba58896fb56c771820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:35.028858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066021/manifest.json
observed 62b620293e11a6052217a3f4c3ff1b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:35.008469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066021/publication.md
observed 75a00dc44471a1b7a0bc0f893e4bf051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:34.987914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066021/publication.txt
observed 576e125bc5cb6d2ff166e01773ed66fc...
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.