Pith Number

pith:TWI6QECO

pith:2013:TWI6QECOHWZI332FLVBR57LB2D

not attested not anchored not stored refs pending

Poset topology and homological invariants of algebras arising in algebraic combinatorics

Benjamin Steinberg, Franco Saliola, Stuart Margolis

arxiv:1311.6680 v1 · 2013-11-26 · math.CO · math.GR · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWI6QECOHWZI332FLVBR57LB2D}

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	2026-05-18T03:06:12.066069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d91e8104e3db28def455d431efd61d0dbb68beac68a363b12db8664ad080d50

Aliases

arxiv: 1311.6680 · arxiv_version: 1311.6680v1 · doi: 10.48550/arxiv.1311.6680 · pith_short_12: TWI6QECOHWZI · pith_short_16: TWI6QECOHWZI332F · pith_short_8: TWI6QECO

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/TWI6QECOHWZI332FLVBR57LB2D \
  | 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: 9d91e8104e3db28def455d431efd61d0dbb68beac68a363b12db8664ad080d50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50604e2d3cadd9d147ebba9f5f1d85a4aa8a6deab0e8de240ece4618c017f1bd",
    "cross_cats_sorted": [
      "math.GR",
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-26T14:11:33Z",
    "title_canon_sha256": "9ccd8e428e1a814f5692d67e8c9297617353dad3c47145a58d75fdcc7029e479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6680",
    "kind": "arxiv",
    "version": 1
  }
}