Pith Number

pith:JQRIL37X

pith:2023:JQRIL37XM3F3EU5ZJR6I7VTXHZ

not attested not anchored not stored refs pending

Pre-Galois categories and Fra\"iss\'e's theorem

Andrew Snowden, Nate Harman

arxiv:2301.13784 v2 · 2023-01-31 · math.RT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQRIL37XM3F3EU5ZJR6I7VTXHZ}

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.

Cited by

1 paper in Pith

Classification of simple commutative algebras in the Delannoy category

Receipt and verification

First computed	2026-07-05T07:48:44.933751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c2285eff766cbb253b94c7c8fd6773e43d14249b10ed3611d3f8fc687d8275d

Aliases

arxiv: 2301.13784 · arxiv_version: 2301.13784v2 · doi: 10.48550/arxiv.2301.13784 · pith_short_12: JQRIL37XM3F3 · pith_short_16: JQRIL37XM3F3EU5Z · pith_short_8: JQRIL37X

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/JQRIL37XM3F3EU5ZJR6I7VTXHZ \
  | 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: 4c2285eff766cbb253b94c7c8fd6773e43d14249b10ed3611d3f8fc687d8275d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403070968ecb0447805fa97620a83899f2e4aaa247a64856e19f5ec239cd3d3b",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2023-01-31T17:32:48Z",
    "title_canon_sha256": "504fcbff64e6608aeb145e737a23c1cd3babf796050c48785f63910002df2ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13784",
    "kind": "arxiv",
    "version": 2
  }
}