Pith Number

pith:7NVZHML2

pith:2016:7NVZHML2MCXXQLJAAPIAFPP7JZ

not attested not anchored not stored refs pending

Level set formulation of two-dimensional Lagrangian vortex detection methods

Alireza Hadjighasem, George Haller

arxiv:1610.01589 v1 · 2016-10-05 · 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{7NVZHML2MCXXQLJAAPIAFPP7JZ}

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	2026-05-18T01:03:06.809406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb6b93b17a60af782d2003d002bdff4e4d25c6579f37d5838c8708979a169c61

Aliases

arxiv: 1610.01589 · arxiv_version: 1610.01589v1 · doi: 10.48550/arxiv.1610.01589 · pith_short_12: 7NVZHML2MCXX · pith_short_16: 7NVZHML2MCXXQLJA · pith_short_8: 7NVZHML2

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/7NVZHML2MCXXQLJAAPIAFPP7JZ \
  | 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: fb6b93b17a60af782d2003d002bdff4e4d25c6579f37d5838c8708979a169c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6148e22d1f6f20e2959a17afd5bb60a9e0f074d95e86712d669a676fbfb66da5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-10-05T19:59:13Z",
    "title_canon_sha256": "11182272feca152941414f4b9d0ecb118138cea24195fe2731fb908b8a354d7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01589",
    "kind": "arxiv",
    "version": 1
  }
}