Pith Number

pith:KLGVZZJR

pith:2019:KLGVZZJR7LG67AVU53PJA35T33

not attested not anchored not stored refs pending

Model reduction for fractional elliptic problems using Kato's formula

Akil Narayan, Elena Cherkaev, Harbir Antil, Huy Dinh, Yanlai Chen

arxiv:1904.09332 v1 · 2019-04-19 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLGVZZJR7LG67AVU53PJA35T33}

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	2026-05-17T23:48:07.394521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52cd5ce531facdef82b4eede906fb3dee8867ae37c8cbba3e1702603ad412868

Aliases

arxiv: 1904.09332 · arxiv_version: 1904.09332v1 · doi: 10.48550/arxiv.1904.09332 · pith_short_12: KLGVZZJR7LG6 · pith_short_16: KLGVZZJR7LG67AVU · pith_short_8: KLGVZZJR

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/KLGVZZJR7LG67AVU53PJA35T33 \
  | 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: 52cd5ce531facdef82b4eede906fb3dee8867ae37c8cbba3e1702603ad412868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0a9826b47ff8532dd44b205d0163cc81fcfd9616cfe84bee82566be00f27e86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-19T20:23:46Z",
    "title_canon_sha256": "7bfca61ee9f07ceb01bd5ec069e69f0e0db711c7b8d7dd22c268702df3944d48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09332",
    "kind": "arxiv",
    "version": 1
  }
}