OpenTechnical

OT-2026-000091701

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091701) never changes.

Identity and time

Publication numberOT-2026-000091701 · never reused
Internal UUID01a0ae9d-43b9-7df4-ba90-8bd62c65af83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091701
StatusPUBLIC

Content hashes

Canonical text991c53d670c22971671fa93b568323b60bfda9cb6c5923302673461a8ef6cf6c
Markdown83d63f8a83bd15279b2bb7bf84d69e81a89ddd03465abec1cd6ce61eda2214c4
PDF
Publication pagebf47aeff67d75c657128ffa2bb28146c659d68324496aaeec59fea8969397dd6
Manifest51d8f43681ee72ac21bf533adee3044045c29a6461f78a7067bc51c8f84c44f7

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
SignaturecGAX03WaJHc3qEroNh15TaiNZPMGmYf+MHquoB2KC3U8yrlH6HGI+be7C+Y4zrAKe0NXIcBp1TQVsuR7Tl5AAw==
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

2026-09-17T09:42:05.376293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091701
observed bf47aeff67d75c657128ffa2bb28146c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.359011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091701/manifest.json
observed 51d8f43681ee72ac21bf533adee30440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.341003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091701/publication.md
observed 83d63f8a83bd15279b2bb7bf84d69e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.323922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091701/publication.txt
observed 991c53d670c22971671fa93b568323b6...
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.