Pith Number

pith:6WWV6OYO

pith:2017:6WWV6OYOO22K2RM3YULCCGURNM

not attested not anchored not stored refs pending

Ricci solitons

Andrzej Derdzinski

arxiv:1712.06055 v1 · 2017-12-17 · 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{6WWV6OYOO22K2RM3YULCCGURNM}

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	2026-05-18T00:27:51.175234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5ad5f3b0e76b4ad459bc516211a916b212a6f02588e0748dbe6ebbe59d9a7fe

Aliases

arxiv: 1712.06055 · arxiv_version: 1712.06055v1 · doi: 10.48550/arxiv.1712.06055 · pith_short_12: 6WWV6OYOO22K · pith_short_16: 6WWV6OYOO22K2RM3 · pith_short_8: 6WWV6OYO

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/6WWV6OYOO22K2RM3YULCCGURNM \
  | 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: f5ad5f3b0e76b4ad459bc516211a916b212a6f02588e0748dbe6ebbe59d9a7fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a25ec5065324fc467c8e4faa3fe8e1dfa2e6c33ee6014d58701976fc644d4be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-12-17T04:18:59Z",
    "title_canon_sha256": "6317b27c4efbcecba7940b01fa8ab3509091597a36697aeabb13d8ffce3a93c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06055",
    "kind": "arxiv",
    "version": 1
  }
}