Pith Number

pith:ILK3MOPZ

pith:2018:ILK3MOPZWWKYVYJMHTXBUIPOEL

not attested not anchored not stored refs pending

Long-time momentum and actions behaviour of energy-preserving methods for semilinear wave equations via spatial spectral semi-discretizations

Bin Wang, Xinyuan Wu

arxiv:1807.09015 v1 · 2018-07-24 · 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{ILK3MOPZWWKYVYJMHTXBUIPOEL}

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	2026-05-18T00:09:57.032584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d5b639f9b5958ae12c3cee1a21ee22d27ab48663f1dd14b58b429b93c023dc

Aliases

arxiv: 1807.09015 · arxiv_version: 1807.09015v1 · doi: 10.48550/arxiv.1807.09015 · pith_short_12: ILK3MOPZWWKY · pith_short_16: ILK3MOPZWWKYVYJM · pith_short_8: ILK3MOPZ

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/ILK3MOPZWWKYVYJMHTXBUIPOEL \
  | 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: 42d5b639f9b5958ae12c3cee1a21ee22d27ab48663f1dd14b58b429b93c023dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00072c6e97695351113e5319a6da26ad239d1034e312be1e530b21c814dd03b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-24T10:19:30Z",
    "title_canon_sha256": "6c7ed6b0e9a35e5c23846b0c374751d474e1f60aecf12e9b74d8826b2be709ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09015",
    "kind": "arxiv",
    "version": 1
  }
}