Pith Number

pith:F5MG3RJU

pith:2018:F5MG3RJUGTU5TS64HV7UVAHM3H

not attested not anchored not stored refs pending

Field normalization of scientometric indicators

Ludo Waltman, Nees Jan van Eck

arxiv:1801.09985 v1 · 2018-01-30 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5MG3RJUGTU5TS64HV7UVAHM3H}

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	2026-05-18T00:24:46.228230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f586dc53434e9d9cbdc3d7f4a80ecd9f498bbe3bd4f7e874cd1cb8540ce9ed7

Aliases

arxiv: 1801.09985 · arxiv_version: 1801.09985v1 · doi: 10.48550/arxiv.1801.09985 · pith_short_12: F5MG3RJUGTU5 · pith_short_16: F5MG3RJUGTU5TS64 · pith_short_8: F5MG3RJU

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/F5MG3RJUGTU5TS64HV7UVAHM3H \
  | 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: 2f586dc53434e9d9cbdc3d7f4a80ecd9f498bbe3bd4f7e874cd1cb8540ce9ed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca61282437615983f914d56648664c485d0efa67279313e77d2d8131d909ae8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-01-30T13:58:16Z",
    "title_canon_sha256": "ef620d0e351a9022d94b1f05377a23d2af09a1555d276b87836ba3fc4a749c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09985",
    "kind": "arxiv",
    "version": 1
  }
}