Pith Number

pith:CZ2FTPZU

pith:2012:CZ2FTPZUNVKDLYO6Y7JFCSOXRH

not attested not anchored not stored refs pending

Richardson Extrapolation for Linearly Degenerate Discontinuities

J. W. Banks, T. D. Aslam

arxiv:1205.6504 v3 · 2012-05-29 · 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{CZ2FTPZUNVKDLYO6Y7JFCSOXRH}

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	2026-05-18T03:34:38.210173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

167459bf346d5435e1dec7d25149d789e9a7afb2183d1577b4918f97b180193e

Aliases

arxiv: 1205.6504 · arxiv_version: 1205.6504v3 · doi: 10.48550/arxiv.1205.6504 · pith_short_12: CZ2FTPZUNVKD · pith_short_16: CZ2FTPZUNVKDLYO6 · pith_short_8: CZ2FTPZU

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/CZ2FTPZUNVKDLYO6Y7JFCSOXRH \
  | 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: 167459bf346d5435e1dec7d25149d789e9a7afb2183d1577b4918f97b180193e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d595a27844d5e7cec52fe1c107269377803938d27ee635a3d71322d48d1c30a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-05-29T22:02:21Z",
    "title_canon_sha256": "68d5d64333423dace0f0437c75e977f6274a0f12b6e524e0689d15253d08b9cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6504",
    "kind": "arxiv",
    "version": 3
  }
}