Pith Number

pith:CDHNGIFO

pith:2013:CDHNGIFOKF5H7SUBUSDSGOBYJY

not attested not anchored not stored refs pending

Discrete Quasi-Einstein Metrics and Combinatorial Curvature Flows in 3-Dimension

Huabin Ge, Xu Xu

arxiv:1301.3398 v3 · 2013-01-15 · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDHNGIFOKF5H7SUBUSDSGOBYJY}

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	2026-05-18T00:51:03.631266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10ced320ae517a7fca81a4872338384e036ec3a7934929836656423d28a4e11f

Aliases

arxiv: 1301.3398 · arxiv_version: 1301.3398v3 · doi: 10.48550/arxiv.1301.3398 · pith_short_12: CDHNGIFOKF5H · pith_short_16: CDHNGIFOKF5H7SUB · pith_short_8: CDHNGIFO

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/CDHNGIFOKF5H7SUBUSDSGOBYJY \
  | 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: 10ced320ae517a7fca81a4872338384e036ec3a7934929836656423d28a4e11f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa89658a195c5578139a6ce26caf9dd79fcfca82fe60c1e84928badd0363b6f7",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-15T16:18:56Z",
    "title_canon_sha256": "ab409ef804ec39876c972585b4ea85b5180e871d962d24e3c0c323cc3337ddc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3398",
    "kind": "arxiv",
    "version": 3
  }
}