Pith Number

pith:W6N6QBMD

pith:2016:W6N6QBMDASB7JAZHV3CLR2XUIJ

not attested not anchored not stored refs pending

Normal forms of endomorphism-valued power series

Christopher Keane, Szil\'ard Szab\'o

arxiv:1610.08485 v1 · 2016-10-26 · math.CO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6N6QBMDASB7JAZHV3CLR2XUIJ}

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	2026-05-18T01:01:09.305573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b79be805830483f48327aec4b8eaf4425bf77d15d15138ba6be9de5016242b4e

Aliases

arxiv: 1610.08485 · arxiv_version: 1610.08485v1 · doi: 10.48550/arxiv.1610.08485 · pith_short_12: W6N6QBMDASB7 · pith_short_16: W6N6QBMDASB7JAZH · pith_short_8: W6N6QBMD

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/W6N6QBMDASB7JAZHV3CLR2XUIJ \
  | 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: b79be805830483f48327aec4b8eaf4425bf77d15d15138ba6be9de5016242b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa6c28279701ab4d19a3df46cee338964e5326fbf7a15102334443e0c09e0c45",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-10-26T19:44:25Z",
    "title_canon_sha256": "80a6f68a6d7964286a390c256779b3ab0dca4583c9b229839addadc1f224f3a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08485",
    "kind": "arxiv",
    "version": 1
  }
}