OpenTechnical

OT-2026-000044980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000044980) never changes.

Identity and time

Publication numberOT-2026-000044980 · never reused
Internal UUID01a0ae7c-911d-75c0-96ca-873b9e972728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044980
StatusPUBLIC

Content hashes

Canonical text30f1135890d3976e58d7dc2f151097c8e08212781294e27a485f7baa4c2c19da
Markdown71831fb30ac1c136006563645aae189adf069ffc6093dbdeea3dbd22a611ae5e
PDF
Publication pagee260ae927e9fa20759eee5556d1670237e288d0f20a7d603fd02029347f93548
Manifest9c93b0712a543f72382ab0932651c34c2f7ae26bee22de4609b75465343caade

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
SignatureBIZaFKolsndH3M3vayx/U7MG4Bdn6MFcnWtxgOl2lv5VOcnHDdZoQlfOBe9/nFXtawGF43q/2yCupHtGBOJ/CA==
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

2026-09-17T11:11:40.195509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044980
observed e260ae927e9fa20759eee5556d167023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.178197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044980/manifest.json
observed 9c93b0712a543f72382ab0932651c34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.158955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044980/publication.md
observed 71831fb30ac1c136006563645aae189a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.139400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044980/publication.txt
observed 30f1135890d3976e58d7dc2f151097c8...
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.