Pith Number

pith:7VGLBRL6

pith:2019:7VGLBRL6WQWIDHNG5R5HAMDRHW

not attested not anchored not stored refs pending

Investigation of a Vorticity-preserving Scheme for the Euler Equations

Darryl Seligman, Karim Shariff

arxiv:1903.11229 v1 · 2019-03-27 · physics.flu-dyn · astro-ph.EP · astro-ph.HE · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VGLBRL6WQWIDHNG5R5HAMDRHW}

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	2026-05-17T23:44:21.393410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd4cb0c57eb42c819da6ec7a7030713db7d7ef2cce42edefb70c8bcd1df12d9a

Aliases

arxiv: 1903.11229 · arxiv_version: 1903.11229v1 · doi: 10.48550/arxiv.1903.11229 · pith_short_12: 7VGLBRL6WQWI · pith_short_16: 7VGLBRL6WQWIDHNG · pith_short_8: 7VGLBRL6

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/7VGLBRL6WQWIDHNG5R5HAMDRHW \
  | 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: fd4cb0c57eb42c819da6ec7a7030713db7d7ef2cce42edefb70c8bcd1df12d9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f63ac4dca078b8cf783417111d69dffd8b39755292ccd22871c260656aa85fc",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.HE",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-03-27T02:36:07Z",
    "title_canon_sha256": "e9538f259d27fd7fd2440037cdacf06ee61dfdb43dace4193da84ed01c24411a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11229",
    "kind": "arxiv",
    "version": 1
  }
}