Pith Number

pith:WTRYIMJS

pith:2019:WTRYIMJSKXF5MTRPYVPDRTRVUE

not attested not anchored not stored refs pending

Explore with caution: mapping the evolution of scientific interest in Physics

Alberto Aleta, Nicola Perra, Sandro Meloni, Yamir Moreno

arxiv:1904.06306 v1 · 2019-04-12 · physics.soc-ph · cs.DL · physics.hist-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{WTRYIMJSKXF5MTRPYVPDRTRVUE}

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	2026-05-17T23:48:43.640677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e384313255cbd64e2fc55e38ce35a13d669c412b0074dc1ac0691402aa9716

Aliases

arxiv: 1904.06306 · arxiv_version: 1904.06306v1 · doi: 10.48550/arxiv.1904.06306 · pith_short_12: WTRYIMJSKXF5 · pith_short_16: WTRYIMJSKXF5MTRP · pith_short_8: WTRYIMJS

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/WTRYIMJSKXF5MTRPYVPDRTRVUE \
  | 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: b4e384313255cbd64e2fc55e38ce35a13d669c412b0074dc1ac0691402aa9716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "939de4bfadbb216b7419e01c54ed79b4b0c9360952233d8f07603765b5a5ddfc",
    "cross_cats_sorted": [
      "cs.DL",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-04-12T16:24:27Z",
    "title_canon_sha256": "7d8074e8ecbf1cf9e82f1f30bd2253c6651a62ea19ecb6fa231093ca6958b946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06306",
    "kind": "arxiv",
    "version": 1
  }
}