Pith Number

pith:2ZTZFPDX

pith:1999:2ZTZFPDXSPKDKOE6AHPLQ24VAM

not attested not anchored not stored refs pending

Universal pion freeze-out phase-space density

B. Tomasik, D. Ferenc, J.G. Cramer, U.A. Wiedemann, U. Heinz

arxiv:hep-ph/9902342 v1 · 1999-02-15 · 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{2ZTZFPDXSPKDKOE6AHPLQ24VAM}

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

1 paper in Pith

Entropy production in pp and Pb-Pb collisions at energies available at the CERN Large Hadron Collider

Receipt and verification

First computed	2026-07-04T15:54:10.559776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66792bc7793d435389e01deb86b95030f201ff18529934734dfb2e8abe0ac32

Aliases

arxiv: hep-ph/9902342 · arxiv_version: hep-ph/9902342v1 · doi: 10.48550/arxiv.hep-ph/9902342 · pith_short_12: 2ZTZFPDXSPKD · pith_short_16: 2ZTZFPDXSPKDKOE6 · pith_short_8: 2ZTZFPDX

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/2ZTZFPDXSPKDKOE6AHPLQ24VAM \
  | 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: d66792bc7793d435389e01deb86b95030f201ff18529934734dfb2e8abe0ac32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724d2d21040577b30ab3400efa36b2ee6b350aa2431f23d5dd0c525fb090c109",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-15T12:50:28Z",
    "title_canon_sha256": "72c6047877125cc8d364f573bd8219dd7110bb1748e78a2288e4c6842ca5298d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902342",
    "kind": "arxiv",
    "version": 1
  }
}