Pith Number

pith:GNWF2BJK

pith:2013:GNWF2BJK3V2I3FMYHGCFXJRBFO

not attested not anchored not stored refs pending

Unconditionally stable high-order time integration for moving mesh finite difference solution of linear convection-diffusion equations

Weizhang Huang

arxiv:1310.4215 v1 · 2013-10-15 · math.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{GNWF2BJK3V2I3FMYHGCFXJRBFO}

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	2026-05-18T01:36:07.449526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

336c5d052add748d959839845ba6212b85d19bed6bf2a937b612fad450747ddd

Aliases

arxiv: 1310.4215 · arxiv_version: 1310.4215v1 · doi: 10.48550/arxiv.1310.4215 · pith_short_12: GNWF2BJK3V2I · pith_short_16: GNWF2BJK3V2I3FMY · pith_short_8: GNWF2BJK

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/GNWF2BJK3V2I3FMYHGCFXJRBFO \
  | 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: 336c5d052add748d959839845ba6212b85d19bed6bf2a937b612fad450747ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45e3e3bcf7d659111984e885e8334b959c483059de9226c02ba5209db6afd431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-10-15T21:35:20Z",
    "title_canon_sha256": "cb4d60d51105a3ad3ed652926bef39febb90c9d12e4002e0999ce48df328f07d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4215",
    "kind": "arxiv",
    "version": 1
  }
}