OpenTechnical

OT-2026-000069943

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069943) never changes.

Identity and time

Publication numberOT-2026-000069943 · never reused
Internal UUID01a0ae91-1860-78bb-b359-24a65d3bf2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069943
StatusPUBLIC

Content hashes

Canonical text975d49ab2047117eadd866ce22dc6cede1f049ecb83be96e7b67c051f5e80186
Markdown3144a61e12c1667f7ac0de72105bea8cf2f9e1c16d10da00b06df45ae7271f71
PDF
Publication page4d4a08cc89d3b369ce0975643da8c62ccee712cdb7849a0251ed6d2a76bc58e1
Manifest57532af0434aefbb1df3c685a8b509271b7826f3b97d16b6d2dcfe909eafd3b7

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
SignaturevgARef6iYXOD2IEApwjHm7pBXESfFyz4+zDU/9PQ5M/coQH+AnmV5r3oMnxge6K8vsSfzV27RQXIYrrtt91HBA==
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

2026-09-17T10:26:52.909334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069943
observed 4d4a08cc89d3b369ce0975643da8c62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.893296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069943/manifest.json
observed 57532af0434aefbb1df3c685a8b50927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.874476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069943/publication.md
observed 3144a61e12c1667f7ac0de72105bea8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.855089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069943/publication.txt
observed 975d49ab2047117eadd866ce22dc6ced...
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.