Pith Number

pith:CMQZGYOQ

pith:2015:CMQZGYOQOWGW6Q3STPL3KA7AEG

not attested not anchored not stored refs pending

Factoring Ore polynomials over $\mathbb{F}_q(t)$ is difficult

F. J. Lobillo, Gabriel Navarro, Jose Gomez-Torrecillas

arxiv:1505.07252 v1 · 2015-05-27 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMQZGYOQOWGW6Q3STPL3KA7AEG}

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	2026-05-18T02:02:05.192325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13219361d0758d6f43729bd7b503e021a921179a966eafb279bed5915414cb4f

Aliases

arxiv: 1505.07252 · arxiv_version: 1505.07252v1 · doi: 10.48550/arxiv.1505.07252 · pith_short_12: CMQZGYOQOWGW · pith_short_16: CMQZGYOQOWGW6Q3S · pith_short_8: CMQZGYOQ

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/CMQZGYOQOWGW6Q3STPL3KA7AEG \
  | 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: 13219361d0758d6f43729bd7b503e021a921179a966eafb279bed5915414cb4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2228cd5e4b4e86de5c0a85261d81087725dbe008d4eb0a5baef48d1719d75a84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-05-27T10:07:29Z",
    "title_canon_sha256": "6fc087a61c237fecdfb06ca4b84112f21cd27fddc5eab0e0b136ed661f59150e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07252",
    "kind": "arxiv",
    "version": 1
  }
}