Pith Number

pith:K7BITFU5

pith:2012:K7BITFU5VGCHR43222SV6YCW7D

not attested not anchored not stored refs pending

On Core and Curvature Corrections used in Straight-Line Vortex Filament Methods

Marc Gerritsma, Michel van Tooren, Wim Van Hoydonck

arxiv:1204.2699 v1 · 2012-04-12 · physics.comp-ph · 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{K7BITFU5VGCHR43222SV6YCW7D}

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	2026-05-18T03:58:03.701922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c289969da98478f37ad6a55f6056f8e3955151585e01879bed7ed491b528f7

Aliases

arxiv: 1204.2699 · arxiv_version: 1204.2699v1 · doi: 10.48550/arxiv.1204.2699 · pith_short_12: K7BITFU5VGCH · pith_short_16: K7BITFU5VGCHR432 · pith_short_8: K7BITFU5

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/K7BITFU5VGCHR43222SV6YCW7D \
  | 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: 57c289969da98478f37ad6a55f6056f8e3955151585e01879bed7ed491b528f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f18e263073b42ae40584e3b777d2d4b34de950a711164b3dcd7685e291e3e5",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-04-12T12:22:48Z",
    "title_canon_sha256": "61dc8fc074091de051d0deb7c7571d9bab398747b6522c0e6db8e0cbb5618ae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2699",
    "kind": "arxiv",
    "version": 1
  }
}