Pith Number

pith:VNSYDRUY

pith:2020:VNSYDRUYBMURT6Y623FRKYXUN4

not attested not anchored not stored refs pending

Evolution and Transformation of Scientific Knowledge over the Sphaera Corpus: A Network Study

Alejandro Tejedor, Florian Krautli, Holger Kantz, Malte Vogl, Maryam Zamani, Matteo Valleriani

arxiv:2004.00520 v1 · 2020-04-01 · physics.hist-ph · 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{VNSYDRUYBMURT6Y623FRKYXUN4}

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	2026-07-05T00:52:11.501901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab6581c6980b2919fb1ed6cb1562f46f124c215fed2033643e9d2609ca17046a

Aliases

arxiv: 2004.00520 · arxiv_version: 2004.00520v1 · doi: 10.48550/arxiv.2004.00520 · pith_short_12: VNSYDRUYBMUR · pith_short_16: VNSYDRUYBMURT6Y6 · pith_short_8: VNSYDRUY

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/VNSYDRUYBMURT6Y623FRKYXUN4 \
  | 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: ab6581c6980b2919fb1ed6cb1562f46f124c215fed2033643e9d2609ca17046a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97dd1339fde71f21c6fad61fe1408ecca8b5011880ecac8b28e3a579143e182d",
    "cross_cats_sorted": [
      "cs.DL",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2020-04-01T15:44:39Z",
    "title_canon_sha256": "3d484c2f6b7c94f5dd71cb4a45ce3687e767753c51e0d8825635d0891173041f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00520",
    "kind": "arxiv",
    "version": 1
  }
}