Pith Number

pith:LJWRXKBU

pith:2019:LJWRXKBUCQN5G7A7EHMGK26FE4

not attested not anchored not stored refs pending

Enumerating linear systems on graphs

David Perkinson, Forrest Glebe, Sarah Brauner

arxiv:1906.04768 v3 · 2019-06-11 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJWRXKBUCQN5G7A7EHMGK26FE4}

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.

Cited by

1 paper in Pith

Simplicial Dollar Game

Receipt and verification

First computed	2026-07-05T00:34:15.622548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a6d1ba834141bd37c1f21d8656bc5270d186529dbcaa97246f372e1e0d5694f

Aliases

arxiv: 1906.04768 · arxiv_version: 1906.04768v3 · doi: 10.48550/arxiv.1906.04768 · pith_short_12: LJWRXKBUCQN5 · pith_short_16: LJWRXKBUCQN5G7A7 · pith_short_8: LJWRXKBU

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/LJWRXKBUCQN5G7A7EHMGK26FE4 \
  | 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: 5a6d1ba834141bd37c1f21d8656bc5270d186529dbcaa97246f372e1e0d5694f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86b7bec0951ba19f7467e03cfa4caa89f593fca0e133e9edda87ff4737ec7a61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-11T18:45:17Z",
    "title_canon_sha256": "f05686c7611ce38d2ddadff381e5d01c371341c467519c4edc6abc8cc29613dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04768",
    "kind": "arxiv",
    "version": 3
  }
}