Pith Number

pith:XEKWA7O5

pith:2013:XEKWA7O5JW4F34ZWYZZEGZXECA

not attested not anchored not stored refs pending

Regularity of squarefree monomial ideals

Huy Tai Ha

arxiv:1310.7912 v2 · 2013-10-29 · 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{XEKWA7O5JW4F34ZWYZZEGZXECA}

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	2026-05-18T03:07:56.282631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b915607ddd4db85df336c6724366e4102a531240cd1fcbacc0874c9915133937

Aliases

arxiv: 1310.7912 · arxiv_version: 1310.7912v2 · doi: 10.48550/arxiv.1310.7912 · pith_short_12: XEKWA7O5JW4F · pith_short_16: XEKWA7O5JW4F34ZW · pith_short_8: XEKWA7O5

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/XEKWA7O5JW4F34ZWYZZEGZXECA \
  | 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: b915607ddd4db85df336c6724366e4102a531240cd1fcbacc0874c9915133937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04a1de356b379344bad0bd5786b62aa4190390e00f4bc3ad4b4ceb88104bfca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-10-29T18:31:30Z",
    "title_canon_sha256": "3f690c032d128565156c9522200864cdbd507d5bd098992a2b155bdd678c6c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7912",
    "kind": "arxiv",
    "version": 2
  }
}