Pith Number

pith:5U66RU4E

pith:2013:5U66RU4EZATG7GRUVC3CQ3LENC

not attested not anchored not stored refs pending

Huneke-Wiegand conjecture and change of rings

Hoang Le Truong, Naoki Taniguchi, Ryo Takahashi, Shiro Goto

arxiv:1305.4238 v2 · 2013-05-18 · 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{5U66RU4EZATG7GRUVC3CQ3LENC}

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	2026-05-18T03:09:12.401030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3de8d384c8266f9a34a8b6286d6468b764eabc25072287ae874746068aea58

Aliases

arxiv: 1305.4238 · arxiv_version: 1305.4238v2 · doi: 10.48550/arxiv.1305.4238 · pith_short_12: 5U66RU4EZATG · pith_short_16: 5U66RU4EZATG7GRU · pith_short_8: 5U66RU4E

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/5U66RU4EZATG7GRUVC3CQ3LENC \
  | 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: ed3de8d384c8266f9a34a8b6286d6468b764eabc25072287ae874746068aea58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3386392aeb1e8b8d0b08cfa2a0029fd74b33b8499f5888f3416cac7039e1c143",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-05-18T07:46:46Z",
    "title_canon_sha256": "85d73416b12f05e59bc578f6cad671369f55cb57b1aa7c2c5a68e02e123930b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4238",
    "kind": "arxiv",
    "version": 2
  }
}