Pith Number

pith:WW2DINK3

pith:2013:WW2DINK3QVD66T6KUFP64E64Y5

not attested not anchored not stored refs pending

An equivariant discrete model for complexified arrangement complements

Emanuele Delucchi, Michael J. Falk

arxiv:1305.0134 v1 · 2013-05-01 · math.CO · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WW2DINK3QVD66T6KUFP64E64Y5}

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	2026-05-18T03:26:41.892263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b434355b8547ef4fcaa15fee13dcc76a6fe799c8f0f2acaebd0565d4b5ccd1

Aliases

arxiv: 1305.0134 · arxiv_version: 1305.0134v1 · doi: 10.48550/arxiv.1305.0134 · pith_short_12: WW2DINK3QVD6 · pith_short_16: WW2DINK3QVD66T6K · pith_short_8: WW2DINK3

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/WW2DINK3QVD66T6KUFP64E64Y5 \
  | 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: b5b434355b8547ef4fcaa15fee13dcc76a6fe799c8f0f2acaebd0565d4b5ccd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a384c4be85da2c1fff332b9fa2b992291c8ebb2c4e82201ea6a506107773a0ad",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-05-01T09:54:07Z",
    "title_canon_sha256": "452c3beb9151381edd762eb3e0a727b15c7b7f327bb1425669e93850b549f656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0134",
    "kind": "arxiv",
    "version": 1
  }
}