Pith Number

pith:BXNWMYC5

pith:2019:BXNWMYC5WPTWFEDDRVKZQ3WC65

not attested not anchored not stored refs pending

Bass numbers of local cohomology of cover ideals of graphs

Fatemeh Sohrabi, Josep \`Alvarez Montaner

arxiv:1905.09521 v1 · 2019-05-23 · math.AC · 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{BXNWMYC5WPTWFEDDRVKZQ3WC65}

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	2026-05-17T23:45:16.833703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ddb66605db3e76290638d55986ec2f77d46433a1da2fc8b1a464e9d7029f872

Aliases

arxiv: 1905.09521 · arxiv_version: 1905.09521v1 · doi: 10.48550/arxiv.1905.09521 · pith_short_12: BXNWMYC5WPTW · pith_short_16: BXNWMYC5WPTWFEDD · pith_short_8: BXNWMYC5

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/BXNWMYC5WPTWFEDDRVKZQ3WC65 \
  | 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: 0ddb66605db3e76290638d55986ec2f77d46433a1da2fc8b1a464e9d7029f872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7de5009c6649b2d51ec89062cac05cf765072c3265a3ff50666fa890c9a8e0",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-05-23T08:02:47Z",
    "title_canon_sha256": "31011ecf6a197a5dad4d755a628bb75dcf99e1ca9a81a684ad0a70800bbf2547"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09521",
    "kind": "arxiv",
    "version": 1
  }
}