pith. sign in
Pith Number

pith:XGYF73PB

pith:2013:XGYF73PBEPZJHPATPX2WFLJR3X
not attested not anchored not stored refs pending

Imbrex geometries

Hendrik Van Maldeghem, Jeroen Schillewaert

arxiv:1309.3304 v1 · 2013-09-12 · math.MG · math.CO · math.RT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XGYF73PBEPZJHPATPX2WFLJR3X}

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 2026-05-18T03:13:22.996213Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b9b05fede123f293bc137df562ad31ddcd464462161f43812e9805d7d4e3365c

Aliases

arxiv: 1309.3304 · arxiv_version: 1309.3304v1 · doi: 10.48550/arxiv.1309.3304 · pith_short_12: XGYF73PBEPZJ · pith_short_16: XGYF73PBEPZJHPAT · pith_short_8: XGYF73PB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XGYF73PBEPZJHPATPX2WFLJR3X \
  | 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: b9b05fede123f293bc137df562ad31ddcd464462161f43812e9805d7d4e3365c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c92e96c73ee7186e45cf5bfe2f0f99ef04e05778150ff6be645a9b99a53f6465",
    "cross_cats_sorted": [
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-09-12T21:08:01Z",
    "title_canon_sha256": "ef0b3af90df2025f9141c40e122b800a58bf4bad93fe013b8e63983a360ea4bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3304",
    "kind": "arxiv",
    "version": 1
  }
}