Pith Number

pith:FUXSDJ47

pith:2025:FUXSDJ47K3WUN4C2HCGOXZ3KY3

not attested not anchored not stored refs pending

Pogorelov type $C^2$ estimates for sum Hessian equations

Changyu Ren, Pengfei Li

arxiv:2504.06711 v1 · 2025-04-09 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUXSDJ47K3WUN4C2HCGOXZ3KY3}

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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.

Cited by

1 paper in Pith

Hypersurfaces of constant sum Hessian curvature in Hyperbolic space

Receipt and verification

First computed	2026-07-05T10:46:44.471800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d2f21a79f56ed46f05a388cebe76ac6c3b960fab06f70c5beb98f4dc0e8d418

Aliases

arxiv: 2504.06711 · arxiv_version: 2504.06711v1 · doi: 10.48550/arxiv.2504.06711 · pith_short_12: FUXSDJ47K3WU · pith_short_16: FUXSDJ47K3WUN4C2 · pith_short_8: FUXSDJ47

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/FUXSDJ47K3WUN4C2HCGOXZ3KY3 \
  | 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: 2d2f21a79f56ed46f05a388cebe76ac6c3b960fab06f70c5beb98f4dc0e8d418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829731a134bc9b9009a84924e3fab8c09d2d3e6171e6bdee1919419f81fbf4eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-04-09T09:14:48Z",
    "title_canon_sha256": "5c6f7c349aa169323081864bdb5c2ccc091f512ca70ade13912435d6bfed5eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06711",
    "kind": "arxiv",
    "version": 1
  }
}