Pith Number

pith:YCU2JP7R

pith:2012:YCU2JP7RRVCJIPXLXJERFUB5YT

not attested not anchored not stored refs pending

Tracking Group Evolution in Social Networks

Piotr Br\'odka, Przemys{\l}aw Kazienko, Stanis{\l}aw Saganowski

arxiv:1210.5240 v1 · 2012-10-18 · cs.SI · 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{YCU2JP7RRVCJIPXLXJERFUB5YT}

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	2026-05-18T03:42:45.723965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a9a4bff18d44943eebba4912d03dc4cced80c4ac60a95e61e21515ab0b4da8

Aliases

arxiv: 1210.5240 · arxiv_version: 1210.5240v1 · doi: 10.48550/arxiv.1210.5240 · pith_short_12: YCU2JP7RRVCJ · pith_short_16: YCU2JP7RRVCJIPXL · pith_short_8: YCU2JP7R

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/YCU2JP7RRVCJIPXLXJERFUB5YT \
  | 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: c0a9a4bff18d44943eebba4912d03dc4cced80c4ac60a95e61e21515ab0b4da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f82a01ef4d6a184da91931f0099100263c97f2aa29e635f0d39c62b536bd48f",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-10-18T16:31:27Z",
    "title_canon_sha256": "c4c09b99343eb491051273d27836fb1c6dd7c5f6bd5b41cd96b538453befa1d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5240",
    "kind": "arxiv",
    "version": 1
  }
}