Pith Number

pith:XXFS3KZB

pith:2016:XXFS3KZB636JW5EKKYIP572WTX

not attested not anchored not stored refs pending

Finite difference methods for fractional Laplacians

Adam Oberman, Yanghong Huang

arxiv:1611.00164 v1 · 2016-11-01 · 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{XXFS3KZB636JW5EKKYIP572WTX}

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	2026-05-18T01:00:41.345816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdcb2dab21f6fc9b748a5610feff569dcc716991bdf401cf31fefa6d6137e16a

Aliases

arxiv: 1611.00164 · arxiv_version: 1611.00164v1 · doi: 10.48550/arxiv.1611.00164 · pith_short_12: XXFS3KZB636J · pith_short_16: XXFS3KZB636JW5EK · pith_short_8: XXFS3KZB

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/XXFS3KZB636JW5EKKYIP572WTX \
  | 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: bdcb2dab21f6fc9b748a5610feff569dcc716991bdf401cf31fefa6d6137e16a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1106f99f91980f769d63003dff314fcfbc8bfab1dd831b9af3cd4fe72831be2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-01T09:20:21Z",
    "title_canon_sha256": "cec6aecf260e2e6a71cca6457bb8e3cb4752ae22aa293602aff6790faeb5f0df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00164",
    "kind": "arxiv",
    "version": 1
  }
}