Pith Number

pith:74PO7SFR

pith:2020:74PO7SFRP3HEG74JL5JCI5ALWN

not attested not anchored not stored refs pending

The Universal Valuation of Coxeter Matroids

Christopher Eur, Mariel Supina, Mario Sanchez

arxiv:2008.01121 v3 · 2020-08-03 · 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{74PO7SFRP3HEG74JL5JCI5ALWN}

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	2026-07-05T02:09:44.631645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff1eefc8b17ece437f895f5224740bb35806030156e12993285714712694e6cf

Aliases

arxiv: 2008.01121 · arxiv_version: 2008.01121v3 · doi: 10.48550/arxiv.2008.01121 · pith_short_12: 74PO7SFRP3HE · pith_short_16: 74PO7SFRP3HEG74J · pith_short_8: 74PO7SFR

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/74PO7SFRP3HEG74JL5JCI5ALWN \
  | 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: ff1eefc8b17ece437f895f5224740bb35806030156e12993285714712694e6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf3db3473c2f81b600b33f6ef2137848edce7ebfb13d988271d4c2a69e80ef8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-08-03T18:28:35Z",
    "title_canon_sha256": "cf42bc61e2bb4982f40fe2af48ef6e7400a822fb5c6274d7a62a223849f59ee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.01121",
    "kind": "arxiv",
    "version": 3
  }
}