Pith Number

pith:J6SW4LKR

pith:2020:J6SW4LKRBD2OKZWKEDRO6DCIPM

not attested not anchored not stored refs pending

Evolution of diversity and dominance of companies in online activity

Daniel S. Falster, Marian-Andrei Rizoiu, Paul X. McCarthy, Sina Eghbal, Xian Gong

arxiv:2003.07049 v2 · 2020-03-16 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6SW4LKRBD2OKZWKEDRO6DCIPM}

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	2026-07-05T03:26:36.548414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa56e2d5108f4e566ca20e2ef0c487b32e142e8485bde136f925b4627c95f52

Aliases

arxiv: 2003.07049 · arxiv_version: 2003.07049v2 · doi: 10.48550/arxiv.2003.07049 · pith_short_12: J6SW4LKRBD2O · pith_short_16: J6SW4LKRBD2OKZWK · pith_short_8: J6SW4LKR

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/J6SW4LKRBD2OKZWKEDRO6DCIPM \
  | 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: 4fa56e2d5108f4e566ca20e2ef0c487b32e142e8485bde136f925b4627c95f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f82af11d04b7d22ab91b9d4deca8cb3724d0b844700ce811c1ce5ee127098f8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-03-16T07:06:56Z",
    "title_canon_sha256": "9f673f7fc7d4afa412c99e445fd1793cd670db23fa9fcef5e8e1da34c19809ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.07049",
    "kind": "arxiv",
    "version": 2
  }
}