Pith Number

pith:PLWZPHYA

pith:2017:PLWZPHYAAXQ2KTQ5VPDUFEY2BS

not attested not anchored not stored refs pending

A Critical Comparison of Lagrangian Methods for Coherent Structure Detection

Alireza Hadjighasem, Daniel Blazevski, Gary Froyland, George Haller, Mohammad Farazmand

arxiv:1704.05716 v1 · 2017-04-19 · physics.flu-dyn · math.DS · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLWZPHYAAXQ2KTQ5VPDUFEY2BS}

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	2026-05-18T00:45:02.443179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aed979f0005e1a54e1dabc742931a0c973269bc65a3d3a8abad5397da20d958

Aliases

arxiv: 1704.05716 · arxiv_version: 1704.05716v1 · doi: 10.48550/arxiv.1704.05716 · pith_short_12: PLWZPHYAAXQ2 · pith_short_16: PLWZPHYAAXQ2KTQ5 · pith_short_8: PLWZPHYA

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/PLWZPHYAAXQ2KTQ5VPDUFEY2BS \
  | 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: 7aed979f0005e1a54e1dabc742931a0c973269bc65a3d3a8abad5397da20d958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1637a920063526c9f775d0aca4f1540e46bc6c044fb4e60c6c96840be79d0e13",
    "cross_cats_sorted": [
      "math.DS",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-04-19T13:05:34Z",
    "title_canon_sha256": "209690feae567ad890ab48195aeef8d2622345d6f565ea6221ccdf7e120a2a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05716",
    "kind": "arxiv",
    "version": 1
  }
}