Pith Number

pith:NPVBBKEB

pith:2019:NPVBBKEBTDCCYDYZFDOICCTJLI

not attested not anchored not stored refs pending

A Consistent Discrete 3D Hodge-type Decomposition: implementation and practical evaluation

Faniry H. Razafindrazaka, Konrad Polthier, Konstantin Poelke, Leonid Goubergrits

arxiv:1911.12173 v2 · 2019-11-27 · math.NA · cs.NA · math.DG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPVBBKEBTDCCYDYZFDOICCTJLI}

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	2026-07-05T00:26:12.343805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bea10a88198c42c0f1928dc810a695a2b1f8608636a91da6bc92b93ce9d1572

Aliases

arxiv: 1911.12173 · arxiv_version: 1911.12173v2 · doi: 10.48550/arxiv.1911.12173 · pith_short_12: NPVBBKEBTDCC · pith_short_16: NPVBBKEBTDCCYDYZ · pith_short_8: NPVBBKEB

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/NPVBBKEBTDCCYDYZFDOICCTJLI \
  | 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: 6bea10a88198c42c0f1928dc810a695a2b1f8608636a91da6bc92b93ce9d1572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8978556a5f1ab6f42853d08cc830b0929d47fa8fa594c36c0ab58fa10d894e04",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DG",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-11-27T14:22:56Z",
    "title_canon_sha256": "69717f29fe7fcf568c617aa422c354e9f160dfcfe91d7b32285e1012cc815764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12173",
    "kind": "arxiv",
    "version": 2
  }
}