Pith Number

pith:AXJZZJFK

pith:2015:AXJZZJFKCR6MDBOLTV5FAESNNX

not attested not anchored not stored refs pending

Trust-Region Methods for Nonlinear Elliptic Equations with Radial Basis Functions

Francisco Bernal

arxiv:1512.02873 v3 · 2015-12-09 · math.NA · math.AP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXJZZJFKCR6MDBOLTV5FAESNNX}

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	2026-05-18T00:53:40.458485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d39ca4aa147cc185cb9d7a50124d6deb0ec53a66d3b7bad50798a63c94e798

Aliases

arxiv: 1512.02873 · arxiv_version: 1512.02873v3 · doi: 10.48550/arxiv.1512.02873 · pith_short_12: AXJZZJFKCR6M · pith_short_16: AXJZZJFKCR6MDBOL · pith_short_8: AXJZZJFK

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/AXJZZJFKCR6MDBOLTV5FAESNNX \
  | 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: 05d39ca4aa147cc185cb9d7a50124d6deb0ec53a66d3b7bad50798a63c94e798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc994c76940c7d184851a7119eb62dcc63e420d6e5bfa35709f25f9e8359e5aa",
    "cross_cats_sorted": [
      "math.AP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-09T14:25:59Z",
    "title_canon_sha256": "16bfb441e8b5572096e2037c0601f96c53645058bc091744354b0803a24d6b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02873",
    "kind": "arxiv",
    "version": 3
  }
}