Pith Number

pith:FFY6NFG3

pith:2016:FFY6NFG3QZFZ4QKPIAUVEMQLAP

not attested not anchored not stored refs pending

Gradient Ricci solitons with vanishing conditions on Weyl

Dario Daniele Monticelli, Giovanni Catino, Paolo Mastrolia

arxiv:1602.00534 v2 · 2016-02-01 · 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{FFY6NFG3QZFZ4QKPIAUVEMQLAP}

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	2026-05-18T00:33:39.800810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2971e694db864b9e414f402952320b03fe590f1e48fd14fc569588905bd6957c

Aliases

arxiv: 1602.00534 · arxiv_version: 1602.00534v2 · doi: 10.48550/arxiv.1602.00534 · pith_short_12: FFY6NFG3QZFZ · pith_short_16: FFY6NFG3QZFZ4QKP · pith_short_8: FFY6NFG3

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/FFY6NFG3QZFZ4QKPIAUVEMQLAP \
  | 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: 2971e694db864b9e414f402952320b03fe590f1e48fd14fc569588905bd6957c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941ddb894a8f8830e765c4b9ea755e68a91711e8ca6a54d16769c89b601f4fff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-01T14:05:23Z",
    "title_canon_sha256": "a988d3705aebd5d54ee0dbd90234cc7275c1abadc0621ab68d6dbf58a996cce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00534",
    "kind": "arxiv",
    "version": 2
  }
}