Pith Number

pith:DCZNBBDV

pith:2014:DCZNBBDVHHOXEL4IR53U7QBDS5

not attested not anchored not stored refs pending

Four-dimensional neutral signature self-dual gradient Ricci solitons

Eduardo Garc\'ia-R\'io, Miguel Brozos-V\'azquez

arxiv:1410.8654 v1 · 2014-10-31 · 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{DCZNBBDVHHOXEL4IR53U7QBDS5}

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	2026-05-18T02:38:54.006781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18b2d0847539dd722f888f774fc0239773b5cd478064384a61b191b35a47e4c8

Aliases

arxiv: 1410.8654 · arxiv_version: 1410.8654v1 · doi: 10.48550/arxiv.1410.8654 · pith_short_12: DCZNBBDVHHOX · pith_short_16: DCZNBBDVHHOXEL4I · pith_short_8: DCZNBBDV

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/DCZNBBDVHHOXEL4IR53U7QBDS5 \
  | 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: 18b2d0847539dd722f888f774fc0239773b5cd478064384a61b191b35a47e4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fc91416c3591624e813fd74669b7b38ce50f724de3558771c4cbac851cbad3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-10-31T07:26:04Z",
    "title_canon_sha256": "23a6c7bf3152a01194337a84e8ab834a6cbbc8c0bcc8e858057af9cadcdc133b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8654",
    "kind": "arxiv",
    "version": 1
  }
}