Pith Number

pith:HTLPUSNY

pith:2013:HTLPUSNYNNWXBJTSTIQOC3VC2J

not attested not anchored not stored refs pending

Evolution of Communities with Focus on Stability (extended abstract)

Carlos Sarraute, Gervasio Calderon (Grandata Labs)

arxiv:1311.5502 v1 · 2013-11-21 · cs.SI · cs.CY · 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{HTLPUSNYNNWXBJTSTIQOC3VC2J}

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	2026-05-18T03:06:33.181026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd6fa49b86b6d70a6729a20e16ea2d26c92f05b7cd2e4465d5d14d83b72a41d

Aliases

arxiv: 1311.5502 · arxiv_version: 1311.5502v1 · doi: 10.48550/arxiv.1311.5502 · pith_short_12: HTLPUSNYNNWX · pith_short_16: HTLPUSNYNNWXBJTS · pith_short_8: HTLPUSNY

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/HTLPUSNYNNWXBJTSTIQOC3VC2J \
  | 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: 3cd6fa49b86b6d70a6729a20e16ea2d26c92f05b7cd2e4465d5d14d83b72a41d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06dc1eb7367378bb322600455ced7d7d095a155212108be67b379b770d66617a",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-11-21T18:27:37Z",
    "title_canon_sha256": "1fc5913efd8246549011e2ad4f1cc452959843906dc3fe125b6a0f3c22f344f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5502",
    "kind": "arxiv",
    "version": 1
  }
}