OpenTechnical

OT-2026-000019344

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000019344) never changes.

Identity and time

Publication numberOT-2026-000019344 · never reused
Internal UUID01a0ae6e-f392-7620-a685-8dec298a2550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019344
StatusPUBLIC

Content hashes

Canonical text732b5816ee6371f705f0a72e96c378a79dbc14b3e53fb9e4092baa37bfb2be11
Markdownc27dba99d28029807c0406034bafd03eda1886a0ea38cc734ccf210d5e657896
PDF
Publication page487a41890ba1b3969cdd5c70016a05c02bd9b5e8ea8de1e26c47a689c5d1426c
Manifestb92352885d019407c8007b123fc48a7d147d6f39f7c7b76eacb93b58a3dabbc6

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
Signatureoj5Frdg0Dwu326XxH1joGOTXgaAMEYY2H51IoU/xGA7iDJRGCF5tu1cooBLJksJdxkZGLl8NPRSEzleFAlziDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:58:42.977753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019344
observed 487a41890ba1b3969cdd5c70016a05c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.957599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019344/manifest.json
observed b92352885d019407c8007b123fc48a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.937755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019344/publication.md
observed c27dba99d28029807c0406034bafd03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.919042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019344/publication.txt
observed 732b5816ee6371f705f0a72e96c378a7...
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.