Pith Number

pith:2FFVIJ26

pith:2015:2FFVIJ26VRYX5NJ2OERJG6ZMNI

not attested not anchored not stored refs pending

On the condition of characteristic polynomials

Elisa Rocha Cardozo, Felipe Cucker, Peter Buergisser

arxiv:1510.04419 v2 · 2015-10-15 · 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{2FFVIJ26VRYX5NJ2OERJG6ZMNI}

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	2026-05-18T01:26:17.684228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14b54275eac717eb53a7122937b2c6a2d46bcec111eff8c4a936dca30e82321

Aliases

arxiv: 1510.04419 · arxiv_version: 1510.04419v2 · doi: 10.48550/arxiv.1510.04419 · pith_short_12: 2FFVIJ26VRYX · pith_short_16: 2FFVIJ26VRYX5NJ2 · pith_short_8: 2FFVIJ26

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/2FFVIJ26VRYX5NJ2OERJG6ZMNI \
  | 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: d14b54275eac717eb53a7122937b2c6a2d46bcec111eff8c4a936dca30e82321

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "912526d722a4bac69dafc4146f2161f0a30a473a73820e70bf9d3a5c5f8a8669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-15T07:02:39Z",
    "title_canon_sha256": "e92a2858ae574caebb704ed6c178409cd94b9b3981fb6d765cadb845c2a104b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04419",
    "kind": "arxiv",
    "version": 2
  }
}