Pith Number

pith:WER6H4PJ

pith:2014:WER6H4PJT473XR2EMHP25SQ5CL

not attested not anchored not stored refs pending

The method of polarized traces for the 2D Helmholtz equation

Laurent Demanet, Leonardo Zepeda-N\'u\~nez

arxiv:1410.5910 v3 · 2014-10-22 · 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{WER6H4PJT473XR2EMHP25SQ5CL}

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	2026-05-18T01:35:05.050638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b123e3f1e99f3fbbc74461dfaeca1d12f20bb0ca94be388da5f6cd47cf6d233b

Aliases

arxiv: 1410.5910 · arxiv_version: 1410.5910v3 · doi: 10.48550/arxiv.1410.5910 · pith_short_12: WER6H4PJT473 · pith_short_16: WER6H4PJT473XR2E · pith_short_8: WER6H4PJ

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/WER6H4PJT473XR2EMHP25SQ5CL \
  | 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: b123e3f1e99f3fbbc74461dfaeca1d12f20bb0ca94be388da5f6cd47cf6d233b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ee37e43000a77748a16b456f0b91ed7e2dcd9fef2af90bfd4e7fa788580f518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-22T04:04:02Z",
    "title_canon_sha256": "e463ac3f3b4a9261b6171a0db6a4f37cae51cf684be169b35a1cc45a72f18783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5910",
    "kind": "arxiv",
    "version": 3
  }
}