Pith Number

pith:CFXQNPAI

pith:2012:CFXQNPAIWIV4Q6IEJWIEEYCBWG

not attested not anchored not stored refs pending

ODE Solvers Using Bandlimited Approximations

Gregory Beylkin, Kristian Sandberg

arxiv:1208.3285 v2 · 2012-08-16 · math.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFXQNPAIWIV4Q6IEJWIEEYCBWG}

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	2026-05-18T03:06:43.054856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

116f06bc08b22bc879044d90426041b180a2b433169d5f411680532203963fe9

Aliases

arxiv: 1208.3285 · arxiv_version: 1208.3285v2 · doi: 10.48550/arxiv.1208.3285 · pith_short_12: CFXQNPAIWIV4 · pith_short_16: CFXQNPAIWIV4Q6IE · pith_short_8: CFXQNPAI

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/CFXQNPAIWIV4Q6IEJWIEEYCBWG \
  | 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: 116f06bc08b22bc879044d90426041b180a2b433169d5f411680532203963fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "230f900cb986f4caf912f2d06ee6f6b1c27456a5e3b1d2e47bd9316841cd1e82",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-08-16T04:29:44Z",
    "title_canon_sha256": "55e2035c2dcf11314b0e4032a4c9b467a3979b14a6ddea5aa3bf791b719d2d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3285",
    "kind": "arxiv",
    "version": 2
  }
}