Pith Number

pith:PMYICKS7

pith:2008:PMYICKS7TNY3BV3EPSNE3FVTHK

not attested not anchored not stored refs pending

Heat flow on Finsler manifolds

Karl-Theodor Sturm, Shin-ichi Ohta

arxiv:0808.1166 v4 · 2008-08-08 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMYICKS7TNY3BV3EPSNE3FVTHK}

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	2026-05-18T03:44:47.663435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b30812a5f9b71b0d7647c9a4d96b33a9ac91a5935bfc26925e7de9749018116

Aliases

arxiv: 0808.1166 · arxiv_version: 0808.1166v4 · doi: 10.48550/arxiv.0808.1166 · pith_short_12: PMYICKS7TNY3 · pith_short_16: PMYICKS7TNY3BV3E · pith_short_8: PMYICKS7

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/PMYICKS7TNY3BV3EPSNE3FVTHK \
  | 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: 7b30812a5f9b71b0d7647c9a4d96b33a9ac91a5935bfc26925e7de9749018116

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6057680bd170e70366e3d1895392b6ed23356607611dbfc36b34a5a34798032c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-08-08T08:35:29Z",
    "title_canon_sha256": "38b235f8b1a1412c25cfbb3b74edf13984a82cba3721a8796a57db37d6f3c888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.1166",
    "kind": "arxiv",
    "version": 4
  }
}