Pith Number

pith:6EZDUT4G

pith:2011:6EZDUT4GLLFAKPOJY6KG44X4YH

not attested not anchored not stored refs pending

On the syzygies and Alexander polynomials of nodal hypersurfaces

Alexandru Dimca, Gabriel Sticlaru

arxiv:1111.1533 v2 · 2011-11-07 · math.AG · 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{6EZDUT4GLLFAKPOJY6KG44X4YH}

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	2026-05-18T04:07:53.705467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1323a4f865aca053dc9c7946e72fcc1c0a14fef049524fcfb3a9313e472ec00

Aliases

arxiv: 1111.1533 · arxiv_version: 1111.1533v2 · doi: 10.48550/arxiv.1111.1533 · pith_short_12: 6EZDUT4GLLFA · pith_short_16: 6EZDUT4GLLFAKPOJ · pith_short_8: 6EZDUT4G

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/6EZDUT4GLLFAKPOJY6KG44X4YH \
  | 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: f1323a4f865aca053dc9c7946e72fcc1c0a14fef049524fcfb3a9313e472ec00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d21777d9dfff62e61fed621bffb263c89e65820ba4525f02c6ca5d324534d1b",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-07T10:22:59Z",
    "title_canon_sha256": "7d7d88700f2fd2b43d03046a11122a352c56ba1331f999f3a0b34f6cfe00ec2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1533",
    "kind": "arxiv",
    "version": 2
  }
}