Pith Number

pith:H6TPGIWF

pith:2013:H6TPGIWFCCAS3FNEDEMWRXXO7S

not attested not anchored not stored refs pending

Combinatorial decomposition approaches for efficient counting and random generation FPTASes

Alexandru I. Tomescu, Romeo Rizzi

arxiv:1307.2347 v2 · 2013-07-09 · cs.DS · cs.DM · 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{H6TPGIWFCCAS3FNEDEMWRXXO7S}

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	2026-05-18T03:06:54.770966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa6f322c510812d95a4191968deeefc97de65aedafeecb377be0866f2714b80

Aliases

arxiv: 1307.2347 · arxiv_version: 1307.2347v2 · doi: 10.48550/arxiv.1307.2347 · pith_short_12: H6TPGIWFCCAS · pith_short_16: H6TPGIWFCCAS3FNE · pith_short_8: H6TPGIWF

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/H6TPGIWFCCAS3FNEDEMWRXXO7S \
  | 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: 3fa6f322c510812d95a4191968deeefc97de65aedafeecb377be0866f2714b80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b354eea4c2a8ff6dc0bdd02f3f1ebf56308f84e54e6d5b1f28a89463a0d303d8",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-09T07:01:16Z",
    "title_canon_sha256": "50095af12f9fba969c91d9bcd40b007aca5b0c44641e0bf23fec3bf0f4e38967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2347",
    "kind": "arxiv",
    "version": 2
  }
}