Pith Number

pith:XUYORMQU

pith:2013:XUYORMQUNRFOPQZSPQUCXFPMZN

not attested not anchored not stored refs pending

Energy- and enstrophy-conserving schemes for the shallow-water equations, based on mimetic finite elements

Andrew T. T. McRae, Colin J. Cotter

arxiv:1305.4477 v2 · 2013-05-20 · math.NA · physics.ao-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{XUYORMQUNRFOPQZSPQUCXFPMZN}

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	2026-05-18T01:49:48.830755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd30e8b2146c4ae7c3327c282b95eccb7d655ca85411ea6c9e6db45483ef80da

Aliases

arxiv: 1305.4477 · arxiv_version: 1305.4477v2 · doi: 10.48550/arxiv.1305.4477 · pith_short_12: XUYORMQUNRFO · pith_short_16: XUYORMQUNRFOPQZS · pith_short_8: XUYORMQU

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/XUYORMQUNRFOPQZSPQUCXFPMZN \
  | 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: bd30e8b2146c4ae7c3327c282b95eccb7d655ca85411ea6c9e6db45483ef80da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8dbba8df35cc8f3493cb0ece7711826fcede5b43337af36103a3a882ea1cff",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-20T09:50:14Z",
    "title_canon_sha256": "0f9d5cc730014e330aa5052a6dec3d416b5b9ee04a3b7d2610bfbd21d7a688e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4477",
    "kind": "arxiv",
    "version": 2
  }
}