Pith Number

pith:RNT4VWAZ

pith:2011:RNT4VWAZKHOMSZUJJC6TO4Q73G

not attested not anchored not stored refs pending

Identifying Overlapping and Hierarchical Thematic Structures in Networks of Scholarly Papers: A Comparison of Three Approaches

Alexander Struck, Frank Havemann, Jochen Gl\"aser, Michael Heinz

arxiv:1107.5266 v1 · 2011-07-26 · physics.soc-ph · cs.DL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNT4VWAZKHOMSZUJJC6TO4Q73G}

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	2026-05-18T03:58:38.252676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b67cad81951dcc9668948bd37721fd9887c677df5345042040519a439a527ea

Aliases

arxiv: 1107.5266 · arxiv_version: 1107.5266v1 · doi: 10.48550/arxiv.1107.5266 · pith_short_12: RNT4VWAZKHOM · pith_short_16: RNT4VWAZKHOMSZUJ · pith_short_8: RNT4VWAZ

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/RNT4VWAZKHOMSZUJJC6TO4Q73G \
  | 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: 8b67cad81951dcc9668948bd37721fd9887c677df5345042040519a439a527ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d51f02b105a8af8d085e7e87c452224e44bb955cbda562b1bfaf2392cc72692c",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-07-26T17:00:06Z",
    "title_canon_sha256": "a68d189b7ada4cc6bacc7bfc73cd92e4c13e687fcad9cf9180c5dfbd775236ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5266",
    "kind": "arxiv",
    "version": 1
  }
}