Pith Number

pith:BU7O57SK

pith:2013:BU7O57SKIND77ITWCN7UUZSZE5

not attested not anchored not stored refs pending

Cucker-Smale flocking with alternating leaders

Seung-Yeal Ha, Zhuchun Li

arxiv:1310.3875 v1 · 2013-10-14 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU7O57SKIND77ITWCN7UUZSZE5}

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	2026-05-18T03:10:25.760137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3eeefe4a4347ffa276137f4a6659274be3306e4d3428c67a8776efd7257f27

Aliases

arxiv: 1310.3875 · arxiv_version: 1310.3875v1 · doi: 10.48550/arxiv.1310.3875 · pith_short_12: BU7O57SKIND7 · pith_short_16: BU7O57SKIND77ITW · pith_short_8: BU7O57SK

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/BU7O57SKIND77ITWCN7UUZSZE5 \
  | 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: 0d3eeefe4a4347ffa276137f4a6659274be3306e4d3428c67a8776efd7257f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa7b44dd7e55ee21fd4d4ad0abc26a86854abd96d5fecf13ba43c5dcdd14b6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2013-10-14T22:50:53Z",
    "title_canon_sha256": "f948f6aa42ddb41957458727d56aa2c7e359036e3ace1f844bc598fb311066fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3875",
    "kind": "arxiv",
    "version": 1
  }
}