Pith Number

pith:6V5NBPYP

pith:1998:6V5NBPYPQGYGZEVBNMH2JWP2FQ

not attested not anchored not stored refs pending

Positivity Constraints on Chiral Perturbation Theory Pion-Pion Scattering Amplitudes

Petre Di\c{t}\u{a} (NIPNE - Bucharest)

arxiv:hep-ph/9809568 v1 · 1998-09-28 · 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{6V5NBPYPQGYGZEVBNMH2JWP2FQ}

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.

Cited by

2 papers in Pith

Bootstrapping Pion Form Factors at Large $N$

Multipositivity Constrains the Chiral Lagrangian

Receipt and verification

First computed	2026-07-04T16:09:31.975278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57ad0bf0f81b06c92a16b0fa4d9fa2c2909390c567cec7ade14855fe6187f22

Aliases

arxiv: hep-ph/9809568 · arxiv_version: hep-ph/9809568v1 · doi: 10.48550/arxiv.hep-ph/9809568 · pith_short_12: 6V5NBPYPQGYG · pith_short_16: 6V5NBPYPQGYGZEVB · pith_short_8: 6V5NBPYP

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/6V5NBPYPQGYGZEVBNMH2JWP2FQ \
  | 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: f57ad0bf0f81b06c92a16b0fa4d9fa2c2909390c567cec7ade14855fe6187f22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3519ea1456effca5d19e8e55d829d71453f57f25e3e0f4e0e28b23f4d1d5a4b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-09-28T17:03:20Z",
    "title_canon_sha256": "9fb1d95e68ea658d5c4590713fab583ff79d32cd932fdfc7e8a272d505da1f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9809568",
    "kind": "arxiv",
    "version": 1
  }
}