Pith Number

pith:NY67G3ZI

pith:2016:NY67G3ZI2SD6OPCNCSYK6UGUQF

not attested not anchored not stored refs pending

Enhancing the Power of Cardinal's Algorithm

Victor Y. Pan

arxiv:1601.07752 v3 · 2016-01-28 · 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{NY67G3ZI2SD6OPCNCSYK6UGUQF}

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	2026-05-18T00:46:25.175341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3df36f28d487e73c4d14b0af50d48143fa2fa9e75782747daf8c09ad4411d7

Aliases

arxiv: 1601.07752 · arxiv_version: 1601.07752v3 · doi: 10.48550/arxiv.1601.07752 · pith_short_12: NY67G3ZI2SD6 · pith_short_16: NY67G3ZI2SD6OPCN · pith_short_8: NY67G3ZI

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/NY67G3ZI2SD6OPCNCSYK6UGUQF \
  | 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: 6e3df36f28d487e73c4d14b0af50d48143fa2fa9e75782747daf8c09ad4411d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c6188587303e27381642645dddc64585f2102f7e2f1a577e2f02a131e810fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-28T13:30:37Z",
    "title_canon_sha256": "45615a5b0f559d7969dfb957eec4e3d0ead3c513c8a7070c27c5f064a529b645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07752",
    "kind": "arxiv",
    "version": 3
  }
}