Pith Number

pith:NAK63BVV

pith:2016:NAK63BVV7YMFJ7LJCDXB7OFYUP

not attested not anchored not stored refs pending

On rational functions without Froissart doublets

Ana C. Matos, Bernhard Beckermann, George Labahn

arxiv:1605.00506 v1 · 2016-05-02 · 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{NAK63BVV7YMFJ7LJCDXB7OFYUP}

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	2026-05-18T01:15:54.025205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6815ed86b5fe1854fd6910ee1fb8b8a3f1b818523d11252f272c80d1d12719e2

Aliases

arxiv: 1605.00506 · arxiv_version: 1605.00506v1 · doi: 10.48550/arxiv.1605.00506 · pith_short_12: NAK63BVV7YMF · pith_short_16: NAK63BVV7YMFJ7LJ · pith_short_8: NAK63BVV

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/NAK63BVV7YMFJ7LJCDXB7OFYUP \
  | 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: 6815ed86b5fe1854fd6910ee1fb8b8a3f1b818523d11252f272c80d1d12719e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f86875eb7030d5ceda8d43bef477d1060dc471b8fd95b6856b873dba7b05d5c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-05-02T14:37:44Z",
    "title_canon_sha256": "ea15e9170e9d18df33d289bccfbfe5331a8d2b7010fb6f84e865fbe0f6d60e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00506",
    "kind": "arxiv",
    "version": 1
  }
}