Pith Number

pith:BQLXSCQP

pith:2005:BQLXSCQPHBYMR3A6KTYLGQZ5HB

not attested not anchored not stored refs pending

Theoretical Aspects of the Pion-Pion Interaction

Gilberto Colangelo, Heinrich Leutwyler, Irinel Caprini

arxiv:hep-ph/0509266 v1 · 2005-09-23 · 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{BQLXSCQPHBYMR3A6KTYLGQZ5HB}

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	2026-05-18T04:37:00.336492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc

Aliases

arxiv: hep-ph/0509266 · arxiv_version: hep-ph/0509266v1 · doi: 10.48550/arxiv.hep-ph/0509266 · pith_short_12: BQLXSCQPHBYM · pith_short_16: BQLXSCQPHBYMR3A6 · pith_short_8: BQLXSCQP

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/BQLXSCQPHBYMR3A6KTYLGQZ5HB \
  | 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: 0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d74f2f078c9248af32670c6a14fccada12dc776be06387b3f6eaa38457e857e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2005-09-23T16:04:52Z",
    "title_canon_sha256": "cd80ec3202f4f9a55e6e8cdca34ad3e349c1114ce908b11b6a6b977d93ebdace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0509266",
    "kind": "arxiv",
    "version": 1
  }
}