Pith Number

pith:QCYI43MQ

pith:2012:QCYI43MQ47KLQTNWBVAIADNDQ3

not attested not anchored not stored refs pending

A Flow Tangent to the Ricci Flow via Heat Kernels and Mass Transport

Carlo Mantegazza, Nicola Gigli

arxiv:1208.5815 v1 · 2012-08-29 · math.FA · 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{QCYI43MQ47KLQTNWBVAIADNDQ3}

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	2026-05-18T03:46:48.608881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b08e6d90e7d4b84db60d40800da386fcdf1a17d28ee85c7eee5d3d2eb1c186

Aliases

arxiv: 1208.5815 · arxiv_version: 1208.5815v1 · doi: 10.48550/arxiv.1208.5815 · pith_short_12: QCYI43MQ47KL · pith_short_16: QCYI43MQ47KLQTNW · pith_short_8: QCYI43MQ

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/QCYI43MQ47KLQTNWBVAIADNDQ3 \
  | 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: 80b08e6d90e7d4b84db60d40800da386fcdf1a17d28ee85c7eee5d3d2eb1c186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800c877ab0c9c0d501c41aa1d4fcffb1db93378031e210c586c4e3a9b64695fb",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-08-29T00:21:34Z",
    "title_canon_sha256": "bd891fc6b6a6b5d6a52e1515b2f974158d452ad6bcdfd691b4e77990a0c35368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5815",
    "kind": "arxiv",
    "version": 1
  }
}