Pith Number

pith:K7GUN7KT

pith:2013:K7GUN7KTQEPYWNDR7X72LGHJJ7

not attested not anchored not stored refs pending

On the (co)homology of the poset of weighted partitions

Michelle L. Wachs, Rafael S. Gonz\'alez D'Le\'on

arxiv:1309.5527 v3 · 2013-09-21 · 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{K7GUN7KTQEPYWNDR7X72LGHJJ7}

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	2026-05-18T00:30:18.133638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57cd46fd53811f8b3471fdffa598e94fdaa4a43d32d0c1041f67e5ba8bfd0b9e

Aliases

arxiv: 1309.5527 · arxiv_version: 1309.5527v3 · doi: 10.48550/arxiv.1309.5527 · pith_short_12: K7GUN7KTQEPY · pith_short_16: K7GUN7KTQEPYWNDR · pith_short_8: K7GUN7KT

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/K7GUN7KTQEPYWNDR7X72LGHJJ7 \
  | 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: 57cd46fd53811f8b3471fdffa598e94fdaa4a43d32d0c1041f67e5ba8bfd0b9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "175ce678330f73103e2dee47c69e9c56b73e3fe446f996992957229acee668cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-21T19:56:38Z",
    "title_canon_sha256": "cb500dfbe9aa499eb240295087cb7e70bd112a1633e9471a9666d29a9e952a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5527",
    "kind": "arxiv",
    "version": 3
  }
}