Pith Number

pith:BHXMAX4A

pith:2023:BHXMAX4AN3BG5GMP2WZER4T6V4

not attested not anchored not stored refs pending

Hessian estimates for the sigma-2 equation in dimension four

Ravi Shankar, Yu Yuan

arxiv:2305.12587 v2 · 2023-05-21 · 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{BHXMAX4AN3BG5GMP2WZER4T6V4}

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.

Cited by

1 paper in Pith

Removing singularities for fully nonlinear PDEs

Receipt and verification

First computed	2026-07-05T09:44:04.597615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09eec05f806ec26e998fd5b248f27eaf0a1a7f4b99a55dbf17d2784e4c422b86

Aliases

arxiv: 2305.12587 · arxiv_version: 2305.12587v2 · doi: 10.48550/arxiv.2305.12587 · pith_short_12: BHXMAX4AN3BG · pith_short_16: BHXMAX4AN3BG5GMP · pith_short_8: BHXMAX4A

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/BHXMAX4AN3BG5GMP2WZER4T6V4 \
  | 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: 09eec05f806ec26e998fd5b248f27eaf0a1a7f4b99a55dbf17d2784e4c422b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be7615cdad4cfae2e958f906e2de8e6b2437c1bca1ce30780fa1db4ef50475f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2023-05-21T22:51:26Z",
    "title_canon_sha256": "29e89d95195574a64629a43af9b500b4d8a20deba29af423bb6e0040299672c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.12587",
    "kind": "arxiv",
    "version": 2
  }
}