Pith Number

pith:PHZK7XSO

pith:2025:PHZK7XSOJAYUV2L3P2VUB74ICY

not attested not anchored not stored refs pending

Data Structures for Finite Downsets of Natural Vectors: Theory and Practice

Guillermo A. P\'erez, Micha\"el Cadilhac, Shrisha Rao, Vanessa Fl\"ugel

arxiv:2502.09189 v1 · 2025-02-13 · cs.LO · cs.DS · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHZK7XSOJAYUV2L3P2VUB74ICY}

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	2026-07-05T10:13:53.499218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f2afde4e48314ae97b7eab40ff881601ee2762809b88bb38a8c77ad6324be3

Aliases

arxiv: 2502.09189 · arxiv_version: 2502.09189v1 · doi: 10.48550/arxiv.2502.09189 · pith_short_12: PHZK7XSOJAYU · pith_short_16: PHZK7XSOJAYUV2L3 · pith_short_8: PHZK7XSO

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/PHZK7XSOJAYUV2L3P2VUB74ICY \
  | 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: 79f2afde4e48314ae97b7eab40ff881601ee2762809b88bb38a8c77ad6324be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ed25afc8ceed428aba7f92c16f5c3f7ef4d790b429e3c06bd1b6fb9eb440c0",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-02-13T11:27:19Z",
    "title_canon_sha256": "9cc931b134cb42701cf8d77ec712eeae7c0649b43264b81b522a19e9a1b52de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09189",
    "kind": "arxiv",
    "version": 1
  }
}