Pith Number

pith:5SCUJZDQ

pith:2017:5SCUJZDQZB6VZMHH7ONNXGNWCA

not attested not anchored not stored refs pending

Irreducible compositions of degree two polynomials over finite fields have regular structure

Andrea Ferraguti, Giacomo Micheli, Reto Schnyder

arxiv:1701.06040 v3 · 2017-01-21 · math.NT · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SCUJZDQZB6VZMHH7ONNXGNWCA}

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	2026-05-17T23:54:16.977927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec8544e470c87d5cb0e7fb9adb99b610271448b878879ba92675ad3e65a9adf7

Aliases

arxiv: 1701.06040 · arxiv_version: 1701.06040v3 · doi: 10.48550/arxiv.1701.06040 · pith_short_12: 5SCUJZDQZB6V · pith_short_16: 5SCUJZDQZB6VZMHH · pith_short_8: 5SCUJZDQ

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/5SCUJZDQZB6VZMHH7ONNXGNWCA \
  | 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: ec8544e470c87d5cb0e7fb9adb99b610271448b878879ba92675ad3e65a9adf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ae79c36ca26a0aead7cd51377a03bdfd07b4b5b83a4763a1634938680ee5901",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-01-21T15:24:35Z",
    "title_canon_sha256": "16ed9204cd94c84eed75be4c36dae47d1579a64be31a1c16eee55ed3b30e6c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06040",
    "kind": "arxiv",
    "version": 3
  }
}