Pith Number

pith:NXHMSG5U

pith:2014:NXHMSG5US4M6YYIMISMGVTX2LC

not attested not anchored not stored refs pending

On homogeneous warped product Einstein metrics

Ramiro A. Lafuente

arxiv:1403.4901 v1 · 2014-03-19 · 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{NXHMSG5US4M6YYIMISMGVTX2LC}

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	2026-05-18T01:53:09.511256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dcec91bb49719ec610c44986acefa589de74926c8957928e0686866b88f555b

Aliases

arxiv: 1403.4901 · arxiv_version: 1403.4901v1 · doi: 10.48550/arxiv.1403.4901 · pith_short_12: NXHMSG5US4M6 · pith_short_16: NXHMSG5US4M6YYIM · pith_short_8: NXHMSG5U

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/NXHMSG5US4M6YYIMISMGVTX2LC \
  | 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: 6dcec91bb49719ec610c44986acefa589de74926c8957928e0686866b88f555b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ca733a97f3d031a2ac4cef80265c096665cbd86590cdf4708ddbc4c84b2306",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-03-19T18:23:17Z",
    "title_canon_sha256": "948258d3b4b81d2dc45aa2dde2ac7bdad45f8e42b6203e24ccfa6468d3694e99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4901",
    "kind": "arxiv",
    "version": 1
  }
}