Pith Number

pith:4L4K3NPY

pith:2009:4L4K3NPYQTJQ5DCNRVAEBUFPMP

not attested not anchored not stored refs pending

Global Study of Electron-Quark Unparticle Interactions

Chun-Fu Chang, kingman Cheung, Tzu-Chiang Yuan

arxiv:0912.1849 v2 · 2009-12-10 · hep-ph · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4L4K3NPYQTJQ5DCNRVAEBUFPMP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:23:56.992828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f8adb5f884d30e8c4d8d4040d0af63fde84efd15a55a0671bd723e84700076

Aliases

arxiv: 0912.1849 · arxiv_version: 0912.1849v2 · doi: 10.48550/arxiv.0912.1849 · pith_short_12: 4L4K3NPYQTJQ · pith_short_16: 4L4K3NPYQTJQ5DCN · pith_short_8: 4L4K3NPY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4L4K3NPYQTJQ5DCNRVAEBUFPMP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e2f8adb5f884d30e8c4d8d4040d0af63fde84efd15a55a0671bd723e84700076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0b4af522aac342581669d3f423b734c1c58fb4e60af85426fcc94b3cd0e679",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-12-10T00:53:19Z",
    "title_canon_sha256": "8e813b4fd254d33aa41479c3ad7acef8524e0538bf3ac2943fe81e0b80855eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1849",
    "kind": "arxiv",
    "version": 2
  }
}