Pith Number

pith:ZWAHXCQY

pith:2008:ZWAHXCQYNWWZFFLWU4ON54ABTU

not attested not anchored not stored refs pending

U_A(1) anomaly and eta' mass from an infrared singular quark-gluon vertex

Christian S. Fischer, Reinhard Alkofer, Richard Williams

arxiv:0804.3478 v2 · 2008-04-22 · hep-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWAHXCQYNWWZFFLWU4ON54ABTU}

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	2026-07-04T15:34:06.061845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd807b8a186dad929576a71cdef0019d1d65f3c083ef8fe698c6cbd3c6ad28be

Aliases

arxiv: 0804.3478 · arxiv_version: 0804.3478v2 · doi: 10.48550/arxiv.0804.3478 · pith_short_12: ZWAHXCQYNWWZ · pith_short_16: ZWAHXCQYNWWZFFLW · pith_short_8: ZWAHXCQY

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/ZWAHXCQYNWWZFFLWU4ON54ABTU \
  | 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: cd807b8a186dad929576a71cdef0019d1d65f3c083ef8fe698c6cbd3c6ad28be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9095cde52504fbffc7c43410bca2faa2cf2ea4356eac2fdda882a5216f6d980",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-04-22T09:29:58Z",
    "title_canon_sha256": "239d185bbbe501f251905de39ccb0e352cc1af61ee6fa047ebdc5d7ac4978250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3478",
    "kind": "arxiv",
    "version": 2
  }
}