Pith Number

pith:LNK7OFFC

pith:2013:LNK7OFFCQLKQ2ZA4TUZATJO4T4

not attested not anchored not stored refs pending

A new angular momentum method for computing wave maps into spheres

Franziska Weber, Trygve Karper

arxiv:1312.3257 v1 · 2013-12-11 · math.NA · 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{LNK7OFFCQLKQ2ZA4TUZATJO4T4}

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	2026-05-18T03:05:00.080714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b55f714a282d50d641c9d3209a5dc9f0616a941b05d5565aa6e98fb5ca41d3e

Aliases

arxiv: 1312.3257 · arxiv_version: 1312.3257v1 · doi: 10.48550/arxiv.1312.3257 · pith_short_12: LNK7OFFCQLKQ · pith_short_16: LNK7OFFCQLKQ2ZA4 · pith_short_8: LNK7OFFC

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/LNK7OFFCQLKQ2ZA4TUZATJO4T4 \
  | 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: 5b55f714a282d50d641c9d3209a5dc9f0616a941b05d5565aa6e98fb5ca41d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b4cc80495ee2f90e2e350ac3d9b5350786391122e8bd028584e7ffdbacaa53e",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-11T17:42:30Z",
    "title_canon_sha256": "bd10843f2dc53c502b2a879e02fb433c34d1b62e1ae0240bdfba4731d5c65177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3257",
    "kind": "arxiv",
    "version": 1
  }
}