pith. sign in
Pith Number

pith:2XNQNPY5

pith:2016:2XNQNPY5645RIHEZ7GPCL6JXDI
not attested not anchored not stored refs pending

Half conformally flat gradient Ricci almost solitons

E. Garc\'ia-R\'io, M. Brozos-V\'azquez, X. Valle-Regueiro

arxiv:1601.04837 v1 · 2016-01-19 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2XNQNPY5645RIHEZ7GPCL6JXDI}

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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 2026-05-18T01:03:50.552136Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d5db06bf1df73b141c99f99e25f9371a18da840c7b3bee1856d9c6074d67a9d7

Aliases

arxiv: 1601.04837 · arxiv_version: 1601.04837v1 · doi: 10.48550/arxiv.1601.04837 · pith_short_12: 2XNQNPY5645R · pith_short_16: 2XNQNPY5645RIHEZ · pith_short_8: 2XNQNPY5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2XNQNPY5645RIHEZ7GPCL6JXDI \
  | 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: d5db06bf1df73b141c99f99e25f9371a18da840c7b3bee1856d9c6074d67a9d7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9cf1d496677d1cfaa0c45ae927283e463412d4154737749f2c14882061b58dd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-19T09:33:10Z",
    "title_canon_sha256": "5152ea43917f99b479c3028f055a21bb69cdf87425ebcee5bbe11a7115703926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04837",
    "kind": "arxiv",
    "version": 1
  }
}