Pith Number

pith:JQHMSYGW

pith:2013:JQHMSYGWUHH47CKFHVPDGFXTTC

not attested not anchored not stored refs pending

A symmetry problem for the infinity Laplacian

Graziano Crasta, Ilaria Fragal\`a

arxiv:1306.2800 v1 · 2013-06-12 · 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{JQHMSYGWUHH47CKFHVPDGFXTTC}

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	2026-05-18T01:24:44.078376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0ec960d6a1cfcf89453d5e3316f398b7738be09efa05c5f6a8a6e67e287f62

Aliases

arxiv: 1306.2800 · arxiv_version: 1306.2800v1 · doi: 10.48550/arxiv.1306.2800 · pith_short_12: JQHMSYGWUHH4 · pith_short_16: JQHMSYGWUHH47CKF · pith_short_8: JQHMSYGW

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/JQHMSYGWUHH47CKFHVPDGFXTTC \
  | 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: 4c0ec960d6a1cfcf89453d5e3316f398b7738be09efa05c5f6a8a6e67e287f62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4eb1c59b4ed5aa5a7ced7a4512525c5dd7adabef69054e606564fd3898b9078",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-12T12:25:52Z",
    "title_canon_sha256": "4cb753e44402407a0b568686e262e7af8685ea99ad61fb2b7f6dd4e4870b17de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2800",
    "kind": "arxiv",
    "version": 1
  }
}