Pith Number

pith:TMYVUR52

pith:2013:TMYVUR52UOSNHEZA5IBRY45XAR

not attested not anchored not stored refs pending

Ricci flow on quasiprojective manifolds II

John Lott, Zhou Zhang

arxiv:1309.6252 v4 · 2013-09-24 · 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{TMYVUR52UOSNHEZA5IBRY45XAR}

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	2026-05-18T01:12:36.710660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b315a47baa3a4d39320ea031c73b7044fed24cc29034ef07772f62946f47b3f

Aliases

arxiv: 1309.6252 · arxiv_version: 1309.6252v4 · doi: 10.48550/arxiv.1309.6252 · pith_short_12: TMYVUR52UOSN · pith_short_16: TMYVUR52UOSNHEZA · pith_short_8: TMYVUR52

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/TMYVUR52UOSNHEZA5IBRY45XAR \
  | 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: 9b315a47baa3a4d39320ea031c73b7044fed24cc29034ef07772f62946f47b3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a73f383167bb6eecc35cfe539a9a6d18e355cde54dcef329344fc3b24275d582",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-24T17:03:05Z",
    "title_canon_sha256": "012e2f74a895f9ad9da1dd85f2f1999ac1cc2800379a383001e6ba4f5f9eedde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6252",
    "kind": "arxiv",
    "version": 4
  }
}