OpenTechnical

OT-2026-000055843

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000055843) never changes.

Identity and time

Publication numberOT-2026-000055843 · never reused
Internal UUID01a0ae87-0a49-79b5-9968-0aba9cc581c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055843
StatusPUBLIC

Content hashes

Canonical textd6d9ca4f7a7480ee479954f828fb4ffd8b126e5315ee01039d0255bee35b4bf3
Markdown2bcd86ecb690d3235d44edef2942b50dbf0b57c597e6017f31d060e4daf1d39b
PDF
Publication page60b99e05595c423c2668c357fc9de92dafda481128c6a318ce624b4a9fa9bda1
Manifestbdde8708a302d97816cd7f53b5c060990b68c1aefb206ec59d0d2a8af606ef50

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
Signature8bXl1SCIft1gigvsGK1nUSqHVSzmeo5ylG9tNAmD4iOXEHnmiOCkufw6is+eU3XkPNhjvwXnDNkpt2P2aKZWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:13.904901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055843
observed 60b99e05595c423c2668c357fc9de92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.887315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055843/manifest.json
observed bdde8708a302d97816cd7f53b5c06099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.869258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055843/publication.md
observed 2bcd86ecb690d3235d44edef2942b50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.850567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055843/publication.txt
observed d6d9ca4f7a7480ee479954f828fb4ffd...
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.