Pith Number

pith:TOP4NHH7

pith:2014:TOP4NHH73NXSRR523GAXV2SL4D

not attested not anchored not stored refs pending

Symmetry Reduction of the Two-Dimensional Ricci Flow Equation

Mehdi Jafari, Mehdi Nadjafikhah

arxiv:1408.0242 v1 · 2014-07-31 · 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{TOP4NHH73NXSRR523GAXV2SL4D}

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	2026-05-18T02:46:03.571200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b9fc69cffdb6f28c7bad9817aea4be0e25964ff7d9032e6152a0282d93c1505

Aliases

arxiv: 1408.0242 · arxiv_version: 1408.0242v1 · doi: 10.48550/arxiv.1408.0242 · pith_short_12: TOP4NHH73NXS · pith_short_16: TOP4NHH73NXSRR52 · pith_short_8: TOP4NHH7

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/TOP4NHH73NXSRR523GAXV2SL4D \
  | 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: 9b9fc69cffdb6f28c7bad9817aea4be0e25964ff7d9032e6152a0282d93c1505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2472b7de3e308b7e92c3cb0ff24be3b3863c8f199e22e14b1ddb45b2c81c8a86",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-31T08:36:06Z",
    "title_canon_sha256": "a3738517010a44c7c92e79ac81a20b39e6df61caf07bdf2c990f43f0a0e2a65d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0242",
    "kind": "arxiv",
    "version": 1
  }
}