Pith Number

pith:6U2EVLJS

pith:2018:6U2EVLJSCUAHBFEB6NX4XQN5QU

not attested not anchored not stored refs pending

On Davenport constant of finite abelian groups

Dongchun Han

arxiv:1802.07196 v2 · 2018-02-20 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6U2EVLJSCUAHBFEB6NX4XQN5QU}

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	2026-05-18T00:22:18.270791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5344aad321500709481f36fcbc1bd85083fe0619da89451ea27fb002240fc6f

Aliases

arxiv: 1802.07196 · arxiv_version: 1802.07196v2 · doi: 10.48550/arxiv.1802.07196 · pith_short_12: 6U2EVLJSCUAH · pith_short_16: 6U2EVLJSCUAHBFEB · pith_short_8: 6U2EVLJS

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/6U2EVLJSCUAHBFEB6NX4XQN5QU \
  | 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: f5344aad321500709481f36fcbc1bd85083fe0619da89451ea27fb002240fc6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "511baac162af7a8b22f78c6255dec9f22dbbfed0973463a1d79fe23113d73d75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-20T16:52:11Z",
    "title_canon_sha256": "e44ed88f9895753f19c8b07ee2a26fc9290358a17ddda7bd0d25fee76c26aeac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07196",
    "kind": "arxiv",
    "version": 2
  }
}