Pith Number

pith:ZS6GLG66

pith:2021:ZS6GLG66P3XDBZY5TZROIG7LQF

not attested not anchored not stored refs pending

Diverse Collections in Matroids and Graphs

Fahad Panolan, Fedor V. Fomin, Geevarghese Philip, Petr A. Golovach, Saket Saurabh

arxiv:2101.04633 v1 · 2021-01-12 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZS6GLG66P3XDBZY5TZROIG7LQF}

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	2026-07-05T02:06:27.094090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbc659bde7eee30e71d9e62e41beb81796bc4a897d8a58b576bbd0fe0e0d252

Aliases

arxiv: 2101.04633 · arxiv_version: 2101.04633v1 · doi: 10.48550/arxiv.2101.04633 · pith_short_12: ZS6GLG66P3XD · pith_short_16: ZS6GLG66P3XDBZY5 · pith_short_8: ZS6GLG66

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/ZS6GLG66P3XDBZY5TZROIG7LQF \
  | 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: ccbc659bde7eee30e71d9e62e41beb81796bc4a897d8a58b576bbd0fe0e0d252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91c6937a573e6ad2c4cc9ad15dd1451f39423ad7ce956345446b7c775d0804a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-01-12T17:41:40Z",
    "title_canon_sha256": "f61635c42d937a0b695bdb0f8ec5ae26214c9b6fa921080e3fe5e81112ada70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04633",
    "kind": "arxiv",
    "version": 1
  }
}