Pith Number

pith:JLPBGKN3

pith:2011:JLPBGKN3TH6RXTKLZS3QGQYSJN

not attested not anchored not stored refs pending

A Salvetti complex for Toric Arrangements and its fundamental group

Emanuele Delucchi, Giacomo d'Antonio

arxiv:1101.4111 v2 · 2011-01-21 · 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{JLPBGKN3TH6RXTKLZS3QGQYSJN}

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	2026-05-18T04:28:19.626668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ade1329bb99fd1bcd4bccb70343124b4638ce5a367812dea99ae097fa2ecee3

Aliases

arxiv: 1101.4111 · arxiv_version: 1101.4111v2 · doi: 10.48550/arxiv.1101.4111 · pith_short_12: JLPBGKN3TH6R · pith_short_16: JLPBGKN3TH6RXTKL · pith_short_8: JLPBGKN3

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/JLPBGKN3TH6RXTKLZS3QGQYSJN \
  | 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: 4ade1329bb99fd1bcd4bccb70343124b4638ce5a367812dea99ae097fa2ecee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8edd425ae4d6ba8cbae8bab24cf39784be0c0664a203311f3cba6158fa0b1743",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-21T11:24:42Z",
    "title_canon_sha256": "c0cddf1800411912c09f3b498b4d15be31787b9df386a3541019719e5d5b2ad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4111",
    "kind": "arxiv",
    "version": 2
  }
}