Pith Number

pith:3VQFOMQW

pith:2013:3VQFOMQWZZZMSWYRHXZKKTGSWF

not attested not anchored not stored refs pending

Uniqueness of Instantaneously Complete Ricci flows

Peter M. Topping

arxiv:1305.1905 v1 · 2013-05-08 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VQFOMQWZZZMSWYRHXZKKTGSWF}

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	2026-05-18T01:22:25.400563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd60573216ce72c95b113df2a54cd2b17fbafc61ad19aefe19bd622a406cdbd8

Aliases

arxiv: 1305.1905 · arxiv_version: 1305.1905v1 · doi: 10.48550/arxiv.1305.1905 · pith_short_12: 3VQFOMQWZZZM · pith_short_16: 3VQFOMQWZZZMSWYR · pith_short_8: 3VQFOMQW

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/3VQFOMQWZZZMSWYRHXZKKTGSWF \
  | 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: dd60573216ce72c95b113df2a54cd2b17fbafc61ad19aefe19bd622a406cdbd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a326ba2828e65cdf3f53f13708d057a29c969d39f8639f77ee997d22babee3c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-05-08T17:56:59Z",
    "title_canon_sha256": "be237189031a8adc5feeeaa6cb928cd33c2ac992985869517615d66ae31e361d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1905",
    "kind": "arxiv",
    "version": 1
  }
}