Pith Number

pith:2CQKWXCX

pith:2016:2CQKWXCXFUFPY2PIXJGXQP7ARL

not attested not anchored not stored refs pending

Efficient initials for computing maximal eigenpair

Mu-Fa chen

arxiv:1609.01358 v2 · 2016-09-06 · math.PR · cs.IT · math.IT · math.NA · math.OC · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CQKWXCXFUFPY2PIXJGXQP7ARL}

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	2026-05-18T00:57:26.155162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a0ab5c572d0afc69e8ba4d783fe08aff2599f461680d2df1c373ecec4d216c

Aliases

arxiv: 1609.01358 · arxiv_version: 1609.01358v2 · doi: 10.48550/arxiv.1609.01358 · pith_short_12: 2CQKWXCXFUFP · pith_short_16: 2CQKWXCXFUFPY2PI · pith_short_8: 2CQKWXCX

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/2CQKWXCXFUFPY2PIXJGXQP7ARL \
  | 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: d0a0ab5c572d0afc69e8ba4d783fe08aff2599f461680d2df1c373ecec4d216c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b9c16d02a60ad5c9fde263af5d0e27411db3a97dac0054a5c8209896787149",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.NA",
      "math.OC",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2016-09-06T01:00:19Z",
    "title_canon_sha256": "5ea4f910ca0b1854522ad4a89edb4d363dbcb7caa37e8b3c0c465699702626b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01358",
    "kind": "arxiv",
    "version": 2
  }
}