OpenTechnical

OT-2026-000069208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069208) never changes.

Identity and time

Publication numberOT-2026-000069208 · never reused
Internal UUID01a0ae90-6dcf-78a6-b04a-eb7fe9077b95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069208
StatusPUBLIC

Content hashes

Canonical text4ecdcc520512e009327300429c11a0d6132aa692443ab59c017e5c05efbe2206
Markdown5d6fe17e6d2736126d9194e378f02a5adb975812deff5a02ed39654bdbfdfcc0
PDF
Publication pagef6da6cb9e8d2ef308daf8ff72758f37ee2ed985454707831f78ef532f678bb3a
Manifeste886f06e975545b11fd358f8712060ed3d382b8594a41852215e1626e6360e39

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
Signature2lxMVkFCUyC5iLL9l6FCAOF1SF79P7p3C7L1vQ7+o06ubemM7GoPSCErHGMwp6zoGpuaMvGdeHmYScv1fDc2Bw==
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

2026-09-17T10:29:13.025453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069208
observed f6da6cb9e8d2ef308daf8ff72758f37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.007318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069208/manifest.json
observed e886f06e975545b11fd358f8712060ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.988198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069208/publication.md
observed 5d6fe17e6d2736126d9194e378f02a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.969564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069208/publication.txt
observed 4ecdcc520512e009327300429c11a0d6...
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.