OpenTechnical

OT-2026-000059933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000059933) never changes.

Identity and time

Publication numberOT-2026-000059933 · never reused
Internal UUID01a0ae89-ec26-71ce-9801-e2f6017d7148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059933
StatusPUBLIC

Content hashes

Canonical texta90d3e882bef5ef85f23f9171777f453cffc4d5baa6c41015157ffd64ce1ba91
Markdown780037264127b20fef7670b781712c29fb66caee1a9c0365b0570205aae57dee
PDF
Publication pagec67a4a055b4bc6c9972bfdceb2a51dd5623492aa8db92a2ab511daa21250d96f
Manifest81c2cae74e81f0ca4bc24ea8986b1b21c0072b1ced8e6a4ff11b962d7600802d

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
SignaturejMwiTXlQYa2dNdOxU25sOZGc1AldMGsaQKhZs5U16QdRTRDIO+nUNQodMr3oWheqyzlQHBUQlbjxDH48Di2XDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:42.410345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059933
observed c67a4a055b4bc6c9972bfdceb2a51dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.391581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059933/manifest.json
observed 81c2cae74e81f0ca4bc24ea8986b1b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.375390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059933/publication.md
observed 780037264127b20fef7670b781712c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.357974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059933/publication.txt
observed a90d3e882bef5ef85f23f9171777f453...
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.