Pith Number

pith:JP4M6H2A

pith:2019:JP4M6H2AUTUWB2M3HWHQLYVOVC

not attested not anchored not stored refs pending

Mass- and energy-conserved numerical schemes for nonlinear Schr\"odinger equations

Hailiang Liu, Shu Ma, Xiaobing Feng

arxiv:1902.10254 v2 · 2019-02-26 · 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{JP4M6H2AUTUWB2M3HWHQLYVOVC}

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	2026-06-04T20:13:56.773140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf8cf1f40a4e960e99b3d8f05e2aea89cd67db4def5e47cb2db827247341e56

Aliases

arxiv: 1902.10254 · arxiv_version: 1902.10254v2 · doi: 10.48550/arxiv.1902.10254 · pith_short_12: JP4M6H2AUTUW · pith_short_16: JP4M6H2AUTUWB2M3 · pith_short_8: JP4M6H2A

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/JP4M6H2AUTUWB2M3HWHQLYVOVC \
  | 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: 4bf8cf1f40a4e960e99b3d8f05e2aea89cd67db4def5e47cb2db827247341e56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b3b477103a9a90d3bb077c1fcbb7505dfcfa0e9b978d64bac1411422595e7f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-26T22:37:30Z",
    "title_canon_sha256": "a8cb33939cb773a9f695ce857393874048b5f1b5a0681a2623e8c343f4e35eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10254",
    "kind": "arxiv",
    "version": 2
  }
}