Pith Number

pith:FHGMLWLC

pith:2013:FHGMLWLCNSMPQUTN5V3DOHFMCD

not attested not anchored not stored refs pending

Multiple sign-changing and semi-nodal solutions for coupled Schrodinger equations

Chang-shou Lin, Wenming Zou, Zhijie Chen

arxiv:1304.5030 v1 · 2013-04-18 · 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{FHGMLWLCNSMPQUTN5V3DOHFMCD}

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	2026-05-18T02:42:13.234405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29ccc5d9626c98f8526ded76371cac10f40fe77e314bba3d14eb06ca283199dc

Aliases

arxiv: 1304.5030 · arxiv_version: 1304.5030v1 · doi: 10.48550/arxiv.1304.5030 · pith_short_12: FHGMLWLCNSMP · pith_short_16: FHGMLWLCNSMPQUTN · pith_short_8: FHGMLWLC

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/FHGMLWLCNSMPQUTN5V3DOHFMCD \
  | 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: 29ccc5d9626c98f8526ded76371cac10f40fe77e314bba3d14eb06ca283199dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28590497c413ae1962a9aaedd4784bcec40fc4378ba55c2d135f297183528b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-18T06:26:37Z",
    "title_canon_sha256": "39596d7b301aedaa810066919a771f5f303278adb4497339a9c9e5822fbe8808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5030",
    "kind": "arxiv",
    "version": 1
  }
}