Pith Number

pith:Y7QAQB2S

pith:2012:Y7QAQB2SZ3ISUWOOUWURARU4UB

not attested not anchored not stored refs pending

Conical Kahler-Einstein metric revisited

Chi Li, Song Sun

arxiv:1207.5011 v2 · 2012-07-20 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7QAQB2SZ3ISUWOOUWURARU4UB}

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	2026-05-18T03:43:52.096802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e0080752ced12a59cea5a910469ca07bcc99762e1bdc3d592157675511385d

Aliases

arxiv: 1207.5011 · arxiv_version: 1207.5011v2 · doi: 10.48550/arxiv.1207.5011 · pith_short_12: Y7QAQB2SZ3IS · pith_short_16: Y7QAQB2SZ3ISUWOO · pith_short_8: Y7QAQB2S

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/Y7QAQB2SZ3ISUWOOUWURARU4UB \
  | 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: c7e0080752ced12a59cea5a910469ca07bcc99762e1bdc3d592157675511385d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e163783c577d60eb9d37cf9d2a2cb8a88413d1e4397b570e8f21c957514e8d3",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-07-20T18:11:32Z",
    "title_canon_sha256": "b5934fd9eb9048dd496ca626b8a2712bf84a83be754fd5c4ff2d81f7d4e59250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5011",
    "kind": "arxiv",
    "version": 2
  }
}