Pith Number

pith:DKNVV7SH

pith:2012:DKNVV7SH4MDZ22AXQF5TV2JMA6

not attested not anchored not stored refs pending

Hadronic Light-by-Light and the Pion Polarizability

Hiren H. Patel, Kevin T. Engel, Michael J. Ramsey-Musolf

arxiv:1201.0809 v2 · 2012-01-04 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKNVV7SH4MDZ22AXQF5TV2JMA6}

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	2026-05-18T03:22:53.484970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9b5afe47e3079d6817817b3ae92c07bd949d16ddf5d5153c272cc529d522ca

Aliases

arxiv: 1201.0809 · arxiv_version: 1201.0809v2 · doi: 10.48550/arxiv.1201.0809 · pith_short_12: DKNVV7SH4MDZ · pith_short_16: DKNVV7SH4MDZ22AX · pith_short_8: DKNVV7SH

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/DKNVV7SH4MDZ22AXQF5TV2JMA6 \
  | 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: 1a9b5afe47e3079d6817817b3ae92c07bd949d16ddf5d5153c272cc529d522ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22a5f859d75ad22076da66fb1a8491d1b227e0c418275dcd43b087ce2307444",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-01-04T02:45:42Z",
    "title_canon_sha256": "6881d3c872ab5dbd25392b39b4c433db2f2196f547cdc46596d343650b938dc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0809",
    "kind": "arxiv",
    "version": 2
  }
}