Pith Number

pith:QULX4WOA

pith:2015:QULX4WOAQXQL7LCJOS2XYHEVCZ

not attested not anchored not stored refs pending

Braiding a flock: winding statistics of interacting flying spins

Denis Bartolo, Jean-Baptiste Caussin

arxiv:1501.07879 v2 · 2015-01-30 · cond-mat.stat-mech · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QULX4WOAQXQL7LCJOS2XYHEVCZ}

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	2026-05-18T01:37:49.113338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85177e59c085e0bfac4974b57c1c9516632b48b80c725911c41fbc5d2da715e2

Aliases

arxiv: 1501.07879 · arxiv_version: 1501.07879v2 · doi: 10.48550/arxiv.1501.07879 · pith_short_12: QULX4WOAQXQL · pith_short_16: QULX4WOAQXQL7LCJ · pith_short_8: QULX4WOA

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/QULX4WOAQXQL7LCJOS2XYHEVCZ \
  | 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: 85177e59c085e0bfac4974b57c1c9516632b48b80c725911c41fbc5d2da715e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab240e136106b44ad9109b676223f793bd7c147cc127925fe6d9cbc33473394f",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2015-01-30T18:46:14Z",
    "title_canon_sha256": "b9279ee1a9c51017226a102e4150dc35d6f3cf4d1943ef6f9839fb7c0c051cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07879",
    "kind": "arxiv",
    "version": 2
  }
}