Pith Number

pith:PMKRTJCF

pith:2016:PMKRTJCFK4QE655DTCBJFWNZOJ

not attested not anchored not stored refs pending

Generating Clustered Journal Maps: An Automated System for Hierarchical Classification

Caroline S. Wagner, Loet Leydesdorff, Lutz Bornmann

arxiv:1610.03779 v3 · 2016-10-12 · 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{PMKRTJCFK4QE655DTCBJFWNZOJ}

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	2026-05-18T00:53:07.196154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b1519a44557204f77a3988292d9b972664e296ef77485c7b842d92f7e40cbb1

Aliases

arxiv: 1610.03779 · arxiv_version: 1610.03779v3 · doi: 10.48550/arxiv.1610.03779 · pith_short_12: PMKRTJCFK4QE · pith_short_16: PMKRTJCFK4QE655D · pith_short_8: PMKRTJCF

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/PMKRTJCFK4QE655DTCBJFWNZOJ \
  | 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: 7b1519a44557204f77a3988292d9b972664e296ef77485c7b842d92f7e40cbb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b16e040defb16a2c7d19848f250ed992806622c249fbcff843b39c17759abe9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-10-12T16:40:16Z",
    "title_canon_sha256": "c5c79638a47c6caaf602f9e25c1792f39ff778324fcb63ffb8b5b07b85568954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03779",
    "kind": "arxiv",
    "version": 3
  }
}