Pith Number

pith:N2QFK3BO

pith:2025:N2QFK3BOJOSHJWRLXG7H6OOHU7

not attested not anchored not stored refs pending

Study of electron-positron annihilation into four pions within chiral effective field theory in the low energy region

Hao-Xiang Pan, Jia-Yu Zhou, Ling-Yun Dai

arxiv:2505.00770 v4 · 2025-05-01 · 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{N2QFK3BOJOSHJWRLXG7H6OOHU7}

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	2026-05-20T00:04:08.956473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ea0556c2e4ba474da2bb9be7f39c7a7e2cdeb5ba14f68fb828f819f747fcc44

Aliases

arxiv: 2505.00770 · arxiv_version: 2505.00770v4 · doi: 10.48550/arxiv.2505.00770 · pith_short_12: N2QFK3BOJOSH · pith_short_16: N2QFK3BOJOSHJWRL · pith_short_8: N2QFK3BO

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/N2QFK3BOJOSHJWRLXG7H6OOHU7 \
  | 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: 6ea0556c2e4ba474da2bb9be7f39c7a7e2cdeb5ba14f68fb828f819f747fcc44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e580abcf5c5852c50b4bf44741b7fcbc4742429f8f0cbd99b45b550cea1749f",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-05-01T18:01:03Z",
    "title_canon_sha256": "1c34fe04103c5e1ebd141f4da770971f4fd312a2c9a26435ebe8477d86541af2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00770",
    "kind": "arxiv",
    "version": 4
  }
}