Pith Number

pith:BHACWP7H

pith:2014:BHACWP7HZAMIL3T3YIJHTWBOQG

not attested not anchored not stored refs pending

Fast Recovery and Approximation of Hidden Cauchy Structure

J\"org Liesen, Robert Luce

arxiv:1412.2681 v2 · 2014-12-08 · 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{BHACWP7HZAMIL3T3YIJHTWBOQG}

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	2026-05-18T01:24:04.113718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09c02b3fe7c81885ee7bc21279d82e81accfc84439d530b7c5ca9c54ffd504a4

Aliases

arxiv: 1412.2681 · arxiv_version: 1412.2681v2 · doi: 10.48550/arxiv.1412.2681 · pith_short_12: BHACWP7HZAMI · pith_short_16: BHACWP7HZAMIL3T3 · pith_short_8: BHACWP7H

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/BHACWP7HZAMIL3T3YIJHTWBOQG \
  | 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: 09c02b3fe7c81885ee7bc21279d82e81accfc84439d530b7c5ca9c54ffd504a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff55fad1bf744fa06af7ca3d04aa024cd26d1e70333963995cd48dbf4d1813f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-12-08T17:55:37Z",
    "title_canon_sha256": "346a025613e6761abc5ce497c3bad0b98e40f3ff8380de8a3cdf0bc9ef7e1b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2681",
    "kind": "arxiv",
    "version": 2
  }
}