Pith Number

pith:VZ2I7ETT

pith:2010:VZ2I7ETTAWY77UDS3RNMD2626A

not attested not anchored not stored refs pending

Towards a new crown indicator: An empirical analysis

Anthony F.J. van Raan, Ludo Waltman, Martijn S. Visser, Nees Jan van Eck, Thed N. van Leeuwen

arxiv:1004.1632 v2 · 2010-04-09 · cs.DL · physics.soc-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{VZ2I7ETTAWY77UDS3RNMD2626A}

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	2026-05-18T04:41:16.220472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae748f927305b1ffd072dc5ac1ebdaf00bba9299e4af7a543a328995d0196fa5

Aliases

arxiv: 1004.1632 · arxiv_version: 1004.1632v2 · doi: 10.48550/arxiv.1004.1632 · pith_short_12: VZ2I7ETTAWY7 · pith_short_16: VZ2I7ETTAWY77UDS · pith_short_8: VZ2I7ETT

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/VZ2I7ETTAWY77UDS3RNMD2626A \
  | 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: ae748f927305b1ffd072dc5ac1ebdaf00bba9299e4af7a543a328995d0196fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b762cb92f85a79dcddd7e7c0d3b6aaa9e9c26a6dd5276b0a77d04349c9349d",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2010-04-09T19:49:55Z",
    "title_canon_sha256": "d8343846fd4d17f14dde5fb92b7c5e668ea4e6a75889e8da425fdbe65e321ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1632",
    "kind": "arxiv",
    "version": 2
  }
}