Pith Number

pith:QC24ECUZ

pith:2013:QC24ECUZKKZSKVHFJTYO2TU56P

not attested not anchored not stored refs pending

Superfluid transport of information in turning flocks of starlings

Alessandro Attanasi, Andrea Cavagna, Asja Jeli\'c, Edward Shen, Irene Giardina, Leonardo Parisi, Lorenzo Del Castello, Massimiliano Viale, Oliver Pohl, Stefania Melillo, Tomas S. Grigera

arxiv:1303.7097 v1 · 2013-03-28 · cond-mat.stat-mech · physics.bio-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QC24ECUZKKZSKVHFJTYO2TU56P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:40:47.601262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b5c20a9952b32554e54cf0ed4e9df3de8d2507aaa6e2dc73e47c81bdd53365

Aliases

arxiv: 1303.7097 · arxiv_version: 1303.7097v1 · doi: 10.48550/arxiv.1303.7097 · pith_short_12: QC24ECUZKKZS · pith_short_16: QC24ECUZKKZSKVHF · pith_short_8: QC24ECUZ

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/QC24ECUZKKZSKVHFJTYO2TU56P \
  | 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: 80b5c20a9952b32554e54cf0ed4e9df3de8d2507aaa6e2dc73e47c81bdd53365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e4bb168b532354ddfdf628fc582dee002bfb1461ef7bdda5161381ef6edb76f",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2013-03-28T11:14:09Z",
    "title_canon_sha256": "4043cc8b036c7aa4e085767d390fcad60101951f9c9ddd2209f4d73670b4649f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7097",
    "kind": "arxiv",
    "version": 1
  }
}