Pith Number

pith:6ALUGCQT

pith:2015:6ALUGCQTZPUVOBJHDXW4LEWVBH

not attested not anchored not stored refs pending

High-order fractional-compact finite difference method for Riesz spatial telegraph equation

Changpin Li, Hengfei Ding

arxiv:1501.01350 v2 · 2015-01-07 · 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{6ALUGCQTZPUVOBJHDXW4LEWVBH}

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	2026-05-18T00:43:48.172046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f017430a13cbe95705271dedc592d509c9e9206f38ea516a1282cf500f8b6e02

Aliases

arxiv: 1501.01350 · arxiv_version: 1501.01350v2 · doi: 10.48550/arxiv.1501.01350 · pith_short_12: 6ALUGCQTZPUV · pith_short_16: 6ALUGCQTZPUVOBJH · pith_short_8: 6ALUGCQT

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/6ALUGCQTZPUVOBJHDXW4LEWVBH \
  | 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: f017430a13cbe95705271dedc592d509c9e9206f38ea516a1282cf500f8b6e02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c576c6dac41f41f2afa4c7a56d65485000a2228225e79b26aaba059626fb8477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-01-07T02:25:10Z",
    "title_canon_sha256": "34ba2e833dc5ebeec5c3612c6b5bbb1a84c47d7b15d314a60836a7e6407a02b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01350",
    "kind": "arxiv",
    "version": 2
  }
}