Pith Number

pith:NDVCTMLO

pith:2019:NDVCTMLO4EXSKCCKG6FAPFK3WD

not attested not anchored not stored refs pending

Quantitative Assessment of the Toner and Tu Theory of Polar Flocks

Beno\^it Mahault, Francesco Ginelli, Hugues Chat\'e

arxiv:1908.03794 v1 · 2019-08-10 · cond-mat.stat-mech · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDVCTMLO4EXSKCCKG6FAPFK3WD}

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	2026-07-05T00:47:58.591624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ea29b16ee12f25084a378a07955bb0df78b3079f38e4e294ccaf165adda417

Aliases

arxiv: 1908.03794 · arxiv_version: 1908.03794v1 · doi: 10.48550/arxiv.1908.03794 · pith_short_12: NDVCTMLO4EXS · pith_short_16: NDVCTMLO4EXSKCCK · pith_short_8: NDVCTMLO

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/NDVCTMLO4EXSKCCKG6FAPFK3WD \
  | 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: 68ea29b16ee12f25084a378a07955bb0df78b3079f38e4e294ccaf165adda417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7110bb400786e24d9787eb27416f06e0e87f5b844b14b833f9b71ff1b44d5dc0",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2019-08-10T18:05:58Z",
    "title_canon_sha256": "0ffd8ea8e7eeb0ccb1761e11a8f600769d75890aae179864d71b4626526a4715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03794",
    "kind": "arxiv",
    "version": 1
  }
}