Pith Number

pith:LUWWXCL7

pith:2020:LUWWXCL76RGWAQ5F3LAMFBWYR6

not attested not anchored not stored refs pending

Dual matroid polytopes and internal activity of independence complexes

Alexander Heaton, Jose Alejandro Samper

arxiv:2005.04252 v1 · 2020-05-08 · 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{LUWWXCL76RGWAQ5F3LAMFBWYR6}

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	2026-07-05T01:01:42.064893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d2d6b897ff44d6043a5dac0c286d88fb48b1c40eac00963a67e504327f2b961

Aliases

arxiv: 2005.04252 · arxiv_version: 2005.04252v1 · doi: 10.48550/arxiv.2005.04252 · pith_short_12: LUWWXCL76RGW · pith_short_16: LUWWXCL76RGWAQ5F · pith_short_8: LUWWXCL7

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/LUWWXCL76RGWAQ5F3LAMFBWYR6 \
  | 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: 5d2d6b897ff44d6043a5dac0c286d88fb48b1c40eac00963a67e504327f2b961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dda7b49e8f9df41003a28bed32d9087664e0497fbe2d757fa7c0056bab99326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-05-08T18:19:19Z",
    "title_canon_sha256": "2430e13f7a474728aef91edd51973d09021b1ad38e5f3872c68e0080363d2f25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04252",
    "kind": "arxiv",
    "version": 1
  }
}