Pith Number

pith:KHBP3GIP

pith:2004:KHBP3GIPCR53NC3ILMNAU4M4IL

not attested not anchored not stored refs pending

Almost conformally Einstein manifolds and obstructions

A.R. Gover

arxiv:math/0412393 v1 · 2004-12-20 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHBP3GIPCR53NC3ILMNAU4M4IL}

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	2026-07-04T14:39:28.590762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c2fd990f147bb68b685b1a0a719c42c19a4520053e262fa7f234d24c0d86ae

Aliases

arxiv: math/0412393 · arxiv_version: math/0412393v1 · doi: 10.48550/arxiv.math/0412393 · pith_short_12: KHBP3GIPCR53 · pith_short_16: KHBP3GIPCR53NC3I · pith_short_8: KHBP3GIP

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/KHBP3GIPCR53NC3ILMNAU4M4IL \
  | 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: 51c2fd990f147bb68b685b1a0a719c42c19a4520053e262fa7f234d24c0d86ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48eee2dad4a805a8e470bd37a036becd298c5acb7b97098127462ebb991307fa",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2004-12-20T02:56:50Z",
    "title_canon_sha256": "74f7cf86e07fb28ca74c9b68279416b5c0a6bb9770ea3cd2f325e9bf882b0d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0412393",
    "kind": "arxiv",
    "version": 1
  }
}