OpenTechnical

OT-2026-000050212

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050212) never changes.

Identity and time

Publication numberOT-2026-000050212 · never reused
Internal UUID01a0ae82-5c46-7338-8f18-02c154b66e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050212
StatusPUBLIC

Content hashes

Canonical texte1da1150deea99b9e0c2c95aa567316868032d1a04611ac325c9eb89eea736a5
Markdownceb4093813ccdfd84ab7d7cee5e0b8e81b80ada61f8c319c925d99ee52752e58
PDF
Publication page163ff0025f8192e972455ab593943c1c73aefc741f8c96d8322eae0232b33ac8
Manifest9503492c4efea1b0055234ce47b980ff39a4daf60ac5f3c657f85768ec5c34ed

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
SignatureVHs1x2i7BxvQWYt8uChSL2Us38t3fg1V0NFIlTtm7o9bS+taJxnKi/tawYrhOeUHe1LEcfceJJXKBrJx6hrOCA==
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

2026-09-17T11:01:12.174804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050212
observed 163ff0025f8192e972455ab593943c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.158483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050212/manifest.json
observed 9503492c4efea1b0055234ce47b980ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.141826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050212/publication.md
observed ceb4093813ccdfd84ab7d7cee5e0b8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.124500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050212/publication.txt
observed e1da1150deea99b9e0c2c95aa5673168...
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.