Pith Number

pith:DALRFTX2

pith:2020:DALRFTX22YKNZLMX5NQOSSCVTZ

not attested not anchored not stored refs pending

Fast and High-order Accuracy Numerical Methods for Time-Dependent Nonlocal Problems in $\mathbb{R}^2

Michael K. Ng, Minghua Chen, Rongjun Cao, Yu-Jiang Wu

arxiv:2002.03655 v1 · 2020-02-10 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DALRFTX22YKNZLMX5NQOSSCVTZ}

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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	2026-07-05T01:13:57.844860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

181712cefad614dcad97eb60e948559e4a6cc1fe9e24dd3e94bfef8a6a1cf0da

Aliases

arxiv: 2002.03655 · arxiv_version: 2002.03655v1 · doi: 10.48550/arxiv.2002.03655 · pith_short_12: DALRFTX22YKN · pith_short_16: DALRFTX22YKNZLMX · pith_short_8: DALRFTX2

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/DALRFTX22YKNZLMX5NQOSSCVTZ \
  | 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: 181712cefad614dcad97eb60e948559e4a6cc1fe9e24dd3e94bfef8a6a1cf0da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a28be5c0bf7b72c31029f48389f88fbfc74200836033788f808a8e25d8e390",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-02-10T11:05:49Z",
    "title_canon_sha256": "d1b0ac55324568e3ee74b19a125c81374e29cab24eb04a71c21df92bc5bdae8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03655",
    "kind": "arxiv",
    "version": 1
  }
}