Pith Number

pith:KPIYMG5X

pith:2014:KPIYMG5X4KJY6CQELLAMQKPANG

not attested not anchored not stored refs pending

Short-range interaction vs long-range correlation in bird flocks

Andrea Cavagna, Irene Giardina, Leonardo Parisi, Lorenzo Del Castello, Massimiliano Viale, Stefania Melillo, Supravat Dey

arxiv:1407.6887 v2 · 2014-07-25 · physics.bio-ph · cond-mat.stat-mech · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPIYMG5X4KJY6CQELLAMQKPANG}

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	2026-05-18T01:37:21.400686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d1861bb7e2938f0a045ac0c829e0698048efb190c963f66388ef320bc23de6

Aliases

arxiv: 1407.6887 · arxiv_version: 1407.6887v2 · doi: 10.48550/arxiv.1407.6887 · pith_short_12: KPIYMG5X4KJY · pith_short_16: KPIYMG5X4KJY6CQE · pith_short_8: KPIYMG5X

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/KPIYMG5X4KJY6CQELLAMQKPANG \
  | 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: 53d1861bb7e2938f0a045ac0c829e0698048efb190c963f66388ef320bc23de6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e89da927fe792efa78a3ffb32e6deaa7b93223418c25b4ff3d98911877c05fc",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2014-07-25T13:30:01Z",
    "title_canon_sha256": "a0d861e7155cdf6bfae35298067c2f8d148f06b06ebce867740327f0c876a02c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6887",
    "kind": "arxiv",
    "version": 2
  }
}