Pith Number

pith:UKII7YQX

pith:2013:UKII7YQXWDE4ADAFZTV5LVQRP6

not attested not anchored not stored refs pending

Fano schemes of determinants and permanents

Melody Chan, Nathan Ilten

arxiv:1312.2577 v2 · 2013-12-09 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKII7YQXWDE4ADAFZTV5LVQRP6}

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	2026-05-18T01:22:24.604881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2908fe217b0c9c00c05ccebd5d6117f93e454d15863719cda6931acdeab9540

Aliases

arxiv: 1312.2577 · arxiv_version: 1312.2577v2 · doi: 10.48550/arxiv.1312.2577 · pith_short_12: UKII7YQXWDE4 · pith_short_16: UKII7YQXWDE4ADAF · pith_short_8: UKII7YQX

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/UKII7YQXWDE4ADAFZTV5LVQRP6 \
  | 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: a2908fe217b0c9c00c05ccebd5d6117f93e454d15863719cda6931acdeab9540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898dcb38f4ff4597654ef774e3b966ae7d8ab806d2472dd3ed3ca22928bde8b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-12-09T20:53:20Z",
    "title_canon_sha256": "ae5cda7ac1e0c6fbd976811eaf2856825abb936ee50d8ccfe287c216022b663d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2577",
    "kind": "arxiv",
    "version": 2
  }
}