Pith Number

pith:6BZPV5OO

pith:2013:6BZPV5OO6B3HTHBN5T4P6HNS3Y

not attested not anchored not stored refs pending

Simplicial Ricci Flow: An Example of a Neck Pinch Singularity in 3D

Matthew Corne, Paul M. Alsing, Seth Lloyd, Shannon Ray, Shing-Tung Yau, Warner A. Miller, Xianfeng Gu

arxiv:1308.4148 v2 · 2013-08-19 · math.DG · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BZPV5OO6B3HTHBN5T4P6HNS3Y}

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	2026-05-18T02:53:08.156865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f072faf5cef076799c2decf8ff1db2de2904c7cb0d9fca9090f28f15812e57f7

Aliases

arxiv: 1308.4148 · arxiv_version: 1308.4148v2 · doi: 10.48550/arxiv.1308.4148 · pith_short_12: 6BZPV5OO6B3H · pith_short_16: 6BZPV5OO6B3HTHBN · pith_short_8: 6BZPV5OO

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/6BZPV5OO6B3HTHBN5T4P6HNS3Y \
  | 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: f072faf5cef076799c2decf8ff1db2de2904c7cb0d9fca9090f28f15812e57f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f13753416930c3256e68e0711b264b3acdd39557036ce33fef501645e941ee35",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-08-19T20:00:09Z",
    "title_canon_sha256": "df6f9785031620ef87913ccb6fe9855584c1664c6df846a65778cad1013aeae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4148",
    "kind": "arxiv",
    "version": 2
  }
}