OpenTechnical

OT-2026-000042969

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000042969) never changes.

Identity and time

Publication numberOT-2026-000042969 · never reused
Internal UUID01a0ae7b-3277-7670-a4ce-de147b4df819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042969
StatusPUBLIC

Content hashes

Canonical textc26afc67f7829950754292a88e28bd08b96d4bada3c97c987e4180ac27fa11b9
Markdown26a14f2647e2573a2541c0fde4e11002173f6c112ed0bff03a13e05b4c89f283
PDF
Publication page1d7d2bafa884165cca9fe0bfc6a24698a47fb5ecc2fef8c8b7d724d96c5b7bfe
Manifestf4f5c6802a26eb83382a4cb1851e16a76f0ac81e6d3fc7814124096eb6eb0c72

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
Signature2Znkg0NN0GL7H34KXZdhEw6JWkHsqrr6pfj75+5/N1xxjJk4LKQTPMbvGJkFJy1T9AfTmcFPt3nFzoOFLSzsCQ==
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

2026-09-17T11:13:15.991024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042969
observed 1d7d2bafa884165cca9fe0bfc6a24698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.973367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042969/manifest.json
observed f4f5c6802a26eb83382a4cb1851e16a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.954248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042969/publication.md
observed 26a14f2647e2573a2541c0fde4e11002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.934975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042969/publication.txt
observed c26afc67f7829950754292a88e28bd08...
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.