Pith Number

pith:4KEURUPB

pith:2018:4KEURUPBZDC4XWCQLEHKC25WOS

not attested not anchored not stored refs pending

Nonstandard Methods for Solving the Heat Equation

Tristram de Piro

arxiv:1806.02333 v1 · 2018-06-05 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KEURUPBZDC4XWCQLEHKC25WOS}

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	2026-05-18T00:14:01.781700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28948d1e1c8c5cbd850590ea16bb674aceaa4aeeaa32419146ef6a6aa4cdd98

Aliases

arxiv: 1806.02333 · arxiv_version: 1806.02333v1 · doi: 10.48550/arxiv.1806.02333 · pith_short_12: 4KEURUPBZDC4 · pith_short_16: 4KEURUPBZDC4XWCQ · pith_short_8: 4KEURUPB

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/4KEURUPBZDC4XWCQLEHKC25WOS \
  | 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: e28948d1e1c8c5cbd850590ea16bb674aceaa4aeeaa32419146ef6a6aa4cdd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f43630e67929bfbb24782cac8b9cd812bbefccc729111992583cf5e509b57a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-06-05T13:36:45Z",
    "title_canon_sha256": "8ee0b07e38732d21cb3a7f1c2272d4e50fa58878334f4a76befd5a5052e93481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02333",
    "kind": "arxiv",
    "version": 1
  }
}