Pith Number

pith:QBNNNQOB

pith:2014:QBNNNQOBYC2PUA6ODOX2Y4XB76

not attested not anchored not stored refs pending

Identifying Finite-Time Coherent Sets from Limited Quantities of Lagrangian Data

Clarence W. Rowley, Irina I. Rypina, Matthew O. Williams

arxiv:1412.7441 v2 · 2014-12-23 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBNNNQOBYC2PUA6ODOX2Y4XB76}

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	2026-05-18T01:36:20.204792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805ad6c1c1c0b4fa03ce1bafac72e1ffb070570d10ef1344314d0ea7ffa66d81

Aliases

arxiv: 1412.7441 · arxiv_version: 1412.7441v2 · doi: 10.48550/arxiv.1412.7441 · pith_short_12: QBNNNQOBYC2P · pith_short_16: QBNNNQOBYC2PUA6O · pith_short_8: QBNNNQOB

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/QBNNNQOBYC2PUA6ODOX2Y4XB76 \
  | 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: 805ad6c1c1c0b4fa03ce1bafac72e1ffb070570d10ef1344314d0ea7ffa66d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b6fc11f5403b30a97c90119a3becf07e8ba392b92fd87aea19031753fdd8e57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-12-23T16:45:23Z",
    "title_canon_sha256": "2b38c56a206ee14f63deef7b984d2d9edfa8cc119538c838dd7fa7309f5e2615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7441",
    "kind": "arxiv",
    "version": 2
  }
}