Pith Number

pith:WKDLOCEU

pith:2023:WKDLOCEUIM6VHVKC6CH634OABK

not attested not anchored not stored refs pending

Maintaining Matroid Intersections Online

Anna R. Karlin, Anupam Gupta, Daniel Hathcock, Niv Buchbinder, Sherry Sarkar

arxiv:2309.10214 v1 · 2023-09-18 · 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{WKDLOCEUIM6VHVKC6CH634OABK}

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	2026-07-05T06:51:53.083748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b286b70894433d53d542f08fedf1c00a990d7264b03770938c1c7818d32e149b

Aliases

arxiv: 2309.10214 · arxiv_version: 2309.10214v1 · doi: 10.48550/arxiv.2309.10214 · pith_short_12: WKDLOCEUIM6V · pith_short_16: WKDLOCEUIM6VHVKC · pith_short_8: WKDLOCEU

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/WKDLOCEUIM6VHVKC6CH634OABK \
  | 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: b286b70894433d53d542f08fedf1c00a990d7264b03770938c1c7818d32e149b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23dafdf48b2f6613194a624c11de74f6a586e799786775e9f820722c0205e17",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-09-18T23:54:12Z",
    "title_canon_sha256": "cec81bbecf9c140bf6cae95a41d6250835c6949bb618719624e065cc471003f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.10214",
    "kind": "arxiv",
    "version": 1
  }
}