Pith Number

pith:PRDYFDEO

pith:2004:PRDYFDEOIG2VY57XJEO2F3U7QP

not attested not anchored not stored refs pending

Charge symmetry breaking in pion-nucleon coupling constant : QCD sum rule approach

Alka Upadhyay, J.P. Singh

arxiv:hep-ph/0406187 v1 · 2004-06-17 · 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{PRDYFDEOIG2VY57XJEO2F3U7QP}

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	2026-05-18T04:14:55.356415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c47828c8e41b55c77f7491da2ee9f83e10b5df06686f48b83d36b119a0b77b8

Aliases

arxiv: hep-ph/0406187 · arxiv_version: hep-ph/0406187v1 · doi: 10.48550/arxiv.hep-ph/0406187 · pith_short_12: PRDYFDEOIG2V · pith_short_16: PRDYFDEOIG2VY57X · pith_short_8: PRDYFDEO

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/PRDYFDEOIG2VY57XJEO2F3U7QP \
  | 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: 7c47828c8e41b55c77f7491da2ee9f83e10b5df06686f48b83d36b119a0b77b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee95c2a1e0dd8e48b927687f723c5c1a2135900c040eae7027c43ca96137725",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2004-06-17T12:21:39Z",
    "title_canon_sha256": "ef324d3354e79573eec619b1e550a38cf141cfab8b2f29b9efb2d38aa67ce74e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0406187",
    "kind": "arxiv",
    "version": 1
  }
}