Pith Number

pith:QFQDXIT6

pith:2018:QFQDXIT6LAY2BWKDN5J5WUDI5I

not attested not anchored not stored refs pending

The liquid helix

D. Bonn, E. Jambon-Puillet, J.H. Snoeijer, W. Bouwhuis

arxiv:1811.11809 v2 · 2018-11-28 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFQDXIT6LAY2BWKDN5J5WUDI5I}

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	2026-05-17T23:46:12.791575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81603ba27e5831a0d9436f53db5068ea33f6cc00442070d5460e5f0b1d06aec3

Aliases

arxiv: 1811.11809 · arxiv_version: 1811.11809v2 · doi: 10.48550/arxiv.1811.11809 · pith_short_12: QFQDXIT6LAY2 · pith_short_16: QFQDXIT6LAY2BWKD · pith_short_8: QFQDXIT6

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/QFQDXIT6LAY2BWKDN5J5WUDI5I \
  | 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: 81603ba27e5831a0d9436f53db5068ea33f6cc00442070d5460e5f0b1d06aec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77014598bc253d112b7f9887c3ed67a904eda24ca0158a2c448bb38de9b34f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-11-28T20:21:18Z",
    "title_canon_sha256": "eeba387b3e2c356c6df27ae543913881893b37e15f224120cf8ce83c3d85d5b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11809",
    "kind": "arxiv",
    "version": 2
  }
}