Pith Number

pith:PHNDY64F

pith:2013:PHNDY64FREHZ5TVFAYUDPTS6E7

not attested not anchored not stored refs pending

A mixed method for Dirichlet problems with radial basis functions

Norbert Heuer, Thanh Tran

arxiv:1302.2079 v1 · 2013-02-08 · 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{PHNDY64FREHZ5TVFAYUDPTS6E7}

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	2026-05-18T03:34:12.833639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79da3c7b85890f9ecea5062837ce5e27fba4c1fde8927d2967b197e43023278a

Aliases

arxiv: 1302.2079 · arxiv_version: 1302.2079v1 · doi: 10.48550/arxiv.1302.2079 · pith_short_12: PHNDY64FREHZ · pith_short_16: PHNDY64FREHZ5TVF · pith_short_8: PHNDY64F

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/PHNDY64FREHZ5TVFAYUDPTS6E7 \
  | 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: 79da3c7b85890f9ecea5062837ce5e27fba4c1fde8927d2967b197e43023278a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62d2960473f26a093f27f4be7d11bae5a479730ac2274212f860d66d91a0602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-08T16:39:49Z",
    "title_canon_sha256": "32361e313323e1fa7ee0682ce79c2463de5ff614d4c9da10247393e6ff0a2e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2079",
    "kind": "arxiv",
    "version": 1
  }
}