Pith Number

pith:IFQ5DT3N

pith:2005:IFQ5DT3N5F54RAHCOPKBIWNLNZ

not attested not anchored not stored refs pending

Re-examination of the size distribution of firms

Hiroshi Iyetomi, Taisei Kaizoji, Yuichi Ikeda

arxiv:physics/0512124 v2 · 2005-12-14 · physics.soc-ph · q-fin.GN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFQ5DT3N5F54RAHCOPKBIWNLNZ}

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	2026-05-18T03:13:43.925715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4161d1cf6de97bc880e273d41459ab6e5dde3b4e67cdcf90bb9d01340ed2fcb2

Aliases

arxiv: physics/0512124 · arxiv_version: physics/0512124v2 · doi: 10.48550/arxiv.physics/0512124 · pith_short_12: IFQ5DT3N5F54 · pith_short_16: IFQ5DT3N5F54RAHC · pith_short_8: IFQ5DT3N

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/IFQ5DT3N5F54RAHCOPKBIWNLNZ \
  | 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: 4161d1cf6de97bc880e273d41459ab6e5dde3b4e67cdcf90bb9d01340ed2fcb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da55da65e4c65fe6ea31d6e771d40f02c0b4871da8d03e9fe9ced67f955c2f7a",
    "cross_cats_sorted": [
      "q-fin.GN"
    ],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2005-12-14T13:59:12Z",
    "title_canon_sha256": "ec891cc1c2c95952ff4de9a74c9f985774149a8dfb5f36cd159abc0b0b05b8e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0512124",
    "kind": "arxiv",
    "version": 2
  }
}