Pith Number

pith:T5GVOVZS

pith:2013:T5GVOVZSJWU2HMWQBZPRYXQGBT

not attested not anchored not stored refs pending

A formal framework for the study of the notion of undefined particle number in quantum mechanics

Federico Holik, Newton Da Costa

arxiv:1305.5244 v2 · 2013-05-22 · math-ph · math.MP · quant-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{T5GVOVZSJWU2HMWQBZPRYXQGBT}

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	2026-05-18T00:56:51.915431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f4d5757324da9a3b2d00e5f1c5e060cefb4f3211c3c605b5391b0373a642327

Aliases

arxiv: 1305.5244 · arxiv_version: 1305.5244v2 · doi: 10.48550/arxiv.1305.5244 · pith_short_12: T5GVOVZSJWU2 · pith_short_16: T5GVOVZSJWU2HMWQ · pith_short_8: T5GVOVZS

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/T5GVOVZSJWU2HMWQBZPRYXQGBT \
  | 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: 9f4d5757324da9a3b2d00e5f1c5e060cefb4f3211c3c605b5391b0373a642327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a06ba539f334bc79194f91bd5bde785aa59500e1724bbee58bceb916e14e0f7",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-05-22T19:47:59Z",
    "title_canon_sha256": "91e11463835574ad20def5a999cd018fb42bfe96fec069f20331397b8b79c998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5244",
    "kind": "arxiv",
    "version": 2
  }
}