OpenTechnical

OT-2026-000020184

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000020184) never changes.

Identity and time

Publication numberOT-2026-000020184 · never reused
Internal UUID01a0ae6f-4379-7c7d-a875-eeda3b691b49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020184
StatusPUBLIC

Content hashes

Canonical texte32b0cc1af70574fe52c988ddd26b2a2a1e46464949db310e7f857a4b8c785d9
Markdown14b770520d4fe72a14b2e89522bcdf43b86c343c648d9bec0efd180a05f9dd68
PDF
Publication page34e218f0b0132a32fac3cd9924e1a56a5f7f8387c812c42562a9779edac37d37
Manifest81d77e6ea213549bbf9139e40b891958532ffc697ba1c8b24ff8768fa43b2ab6

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
Signaturevb6I5+3v2nKJArbokZXkc5nzdYK1+aB/jmB8amggrQi3oO0FJsvPdAbUjlZYwyudoMWeweI5DBS15ybq58KHDA==
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

2026-09-17T11:56:30.382896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020184
observed 34e218f0b0132a32fac3cd9924e1a56a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.362896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020184/manifest.json
observed 81d77e6ea213549bbf9139e40b891958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.309654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020184/publication.md
observed 14b770520d4fe72a14b2e89522bcdf43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.254849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020184/publication.txt
observed e32b0cc1af70574fe52c988ddd26b2a2...
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.