Pith Number

pith:535CEWW6

pith:2015:535CEWW6YNJHS64ADA3XOH6NMQ

not attested not anchored not stored refs pending

A problem of Wang on Davenport constant for the multiplicative semigroup of the quotient ring of $\F_2[x]$

Haoli Wang, Lizhen Zhang, Yongke Qu

arxiv:1507.03182 v1 · 2015-07-12 · math.CO · math.AC · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{535CEWW6YNJHS64ADA3XOH6NMQ}

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	2026-05-18T01:36:59.471798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eefa225adec352797b801837771fcd643fa658662f2f0b972a75493674f0e4e8

Aliases

arxiv: 1507.03182 · arxiv_version: 1507.03182v1 · doi: 10.48550/arxiv.1507.03182 · pith_short_12: 535CEWW6YNJH · pith_short_16: 535CEWW6YNJHS64A · pith_short_8: 535CEWW6

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/535CEWW6YNJHS64ADA3XOH6NMQ \
  | 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: eefa225adec352797b801837771fcd643fa658662f2f0b972a75493674f0e4e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b64c039c10c1321a124a0ac6b68279467f9217310642f028e68ceb5a6dad739",
    "cross_cats_sorted": [
      "math.AC",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-12T03:37:19Z",
    "title_canon_sha256": "3b185f981c8dcff482a2ff63c5aebe55faabf3e62c328d8a5536f2ffa0cbbac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03182",
    "kind": "arxiv",
    "version": 1
  }
}