Pith Number

pith:3OFSBN33

pith:2012:3OFSBN33ZCQMY5RNYGWP3L5ZC3

not attested not anchored not stored refs pending

FEAST Eigenvalue Solver v3.0 User Guide

Eric Polizzi, James Kestyn

arxiv:1203.4031 v3 · 2012-03-19 · cs.MS · cs.CE · physics.chem-ph · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OFSBN33ZCQMY5RNYGWP3L5ZC3}

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	2026-05-18T01:48:07.048612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db8b20b77bc8a0cc762dc1acfdafb916fca4adbc327ad99867c15890050fd34c

Aliases

arxiv: 1203.4031 · arxiv_version: 1203.4031v3 · doi: 10.48550/arxiv.1203.4031 · pith_short_12: 3OFSBN33ZCQM · pith_short_16: 3OFSBN33ZCQMY5RN · pith_short_8: 3OFSBN33

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/3OFSBN33ZCQMY5RNYGWP3L5ZC3 \
  | 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: db8b20b77bc8a0cc762dc1acfdafb916fca4adbc327ad99867c15890050fd34c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f063ced96e9ab51912f3231aa9ef03e7e93e5e8f954236c9c115385d6b85c25f",
    "cross_cats_sorted": [
      "cs.CE",
      "physics.chem-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-03-19T03:47:55Z",
    "title_canon_sha256": "b81f3e925c5ecb02b15b7cde4596c7b62d69d7fdc4bf3ce2ded14ae80ac49aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4031",
    "kind": "arxiv",
    "version": 3
  }
}