Pith Number

pith:4KPDGSVK

pith:2014:4KPDGSVKUJP42L7XBRPOWTZHOY

not attested not anchored not stored refs pending

On a new incomplete Ricci-flat metric

Evgeny Malkovich

arxiv:1412.1582 v3 · 2014-12-04 · 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{4KPDGSVKUJP42L7XBRPOWTZHOY}

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	2026-05-17T23:49:28.328112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e29e334aaaa25fcd2ff70c5eeb4f27763a030dc9727cdf37ec58e49a9c76424d

Aliases

arxiv: 1412.1582 · arxiv_version: 1412.1582v3 · doi: 10.48550/arxiv.1412.1582 · pith_short_12: 4KPDGSVKUJP4 · pith_short_16: 4KPDGSVKUJP42L7X · pith_short_8: 4KPDGSVK

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/4KPDGSVKUJP42L7XBRPOWTZHOY \
  | 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: e29e334aaaa25fcd2ff70c5eeb4f27763a030dc9727cdf37ec58e49a9c76424d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf0283d1eea80564d7054ffc30af245647b911fed278d06c37f1c40b7bdd299a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-12-04T08:22:36Z",
    "title_canon_sha256": "3353086350dac25a58d75c270a63c1406b48fa678e47030ebfea33b7dd58b3cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1582",
    "kind": "arxiv",
    "version": 3
  }
}