Pith Number

pith:R6HL7NC2

pith:1999:R6HL7NC2HLZTOFELWULO33RJXQ

not attested not anchored not stored refs pending

Positronium properties

Andrzej Czarnecki

arxiv:hep-ph/9911455 v1 · 1999-11-23 · 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{R6HL7NC2HLZTOFELWULO33RJXQ}

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	2026-05-18T04:24:16.514875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8ebfb45a3af337148bb516edee29bc3c258a9e1a316ad0f512f04ca17320cc

Aliases

arxiv: hep-ph/9911455 · arxiv_version: hep-ph/9911455v1 · doi: 10.48550/arxiv.hep-ph/9911455 · pith_short_12: R6HL7NC2HLZT · pith_short_16: R6HL7NC2HLZTOFEL · pith_short_8: R6HL7NC2

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/R6HL7NC2HLZTOFELWULO33RJXQ \
  | 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: 8f8ebfb45a3af337148bb516edee29bc3c258a9e1a316ad0f512f04ca17320cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b085ab214ee3d02a5ea976ac6d15c8c1ecd64daf92d7da5f8974cc46f5821fa3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-11-23T20:17:45Z",
    "title_canon_sha256": "3fc57505b2df036c2db322457293f22b10986fcf124deb3cc4bfdac8a4486f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9911455",
    "kind": "arxiv",
    "version": 1
  }
}