Pith Number

pith:A6PV7T7W

pith:2006:A6PV7T7WTP4Z2KXQJ3X62FDXWZ

not attested not anchored not stored refs pending

Derivation modules of orthogonal duals of hyperplane arrangements

Hal Schenck, Joseph P.S. Kung

arxiv:math/0604168 v1 · 2006-04-07 · math.CO · 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{A6PV7T7WTP4Z2KXQJ3X62FDXWZ}

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	2026-05-18T04:03:32.911980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079f5fcff69bf99d2af04eefed1477b675cb0588fc1552908e9ed247ea39f854

Aliases

arxiv: math/0604168 · arxiv_version: math/0604168v1 · doi: 10.48550/arxiv.math/0604168 · pith_short_12: A6PV7T7WTP4Z · pith_short_16: A6PV7T7WTP4Z2KXQ · pith_short_8: A6PV7T7W

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/A6PV7T7WTP4Z2KXQJ3X62FDXWZ \
  | 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: 079f5fcff69bf99d2af04eefed1477b675cb0588fc1552908e9ed247ea39f854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e80379abf3ff288b3e317822e401289ea1fda8eb6c344d57b9d4c61bde8a2c57",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2006-04-07T15:15:27Z",
    "title_canon_sha256": "f396effd1e1c886912a40ea1cf5b47f025becc34e242be12ff3e7bbc8d13ecee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0604168",
    "kind": "arxiv",
    "version": 1
  }
}