Pith Number

pith:3WEMEGHM

pith:2020:3WEMEGHMW56TFA6D7QX4K7GHG6

not attested not anchored not stored refs pending

Regularized finite difference methods for the logarithmic Klein-Gordon equation

Hong Zhang, Jingye Yan, Songhe Song, Xu Qian

arxiv:2006.08079 v1 · 2020-06-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WEMEGHMW56TFA6D7QX4K7GHG6}

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	2026-07-05T01:10:18.024063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd88c218ecb77d3283c3fc2fc57cc7378dd95395f0c154f565f2cc9c7929c02b

Aliases

arxiv: 2006.08079 · arxiv_version: 2006.08079v1 · doi: 10.48550/arxiv.2006.08079 · pith_short_12: 3WEMEGHMW56T · pith_short_16: 3WEMEGHMW56TFA6D · pith_short_8: 3WEMEGHM

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/3WEMEGHMW56TFA6D7QX4K7GHG6 \
  | 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: dd88c218ecb77d3283c3fc2fc57cc7378dd95395f0c154f565f2cc9c7929c02b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6febc8f0265ae9053a8581f1594c27c968da5a844bac6560863ff3fef65ab2de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-06-15T01:29:12Z",
    "title_canon_sha256": "0e49794654b791639c3d9e9b0c44788fbfa1a9004cdea56daab407bd78161cc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08079",
    "kind": "arxiv",
    "version": 1
  }
}