Pith Number

pith:ZEVYBYXM

pith:2026:ZEVYBYXMYHYL6PXK2PAFVZAUI3

not attested not anchored not stored refs pending

A Near-Optimal Parallel Algorithm for Finding Matroid Bases

Aaron Putterman, Junkai Song, Sanjeev Khanna

arxiv:2606.24845 v1 · 2026-06-23 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEVYBYXMYHYL6PXK2PAFVZAUI3}

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	2026-06-24T01:15:43.737918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92b80e2ecc1f0bf3eead3c05ae41446cd59ca469936385232488289108dca89

Aliases

arxiv: 2606.24845 · arxiv_version: 2606.24845v1 · doi: 10.48550/arxiv.2606.24845 · pith_short_12: ZEVYBYXMYHYL · pith_short_16: ZEVYBYXMYHYL6PXK · pith_short_8: ZEVYBYXM

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/ZEVYBYXMYHYL6PXK2PAFVZAUI3 \
  | 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: c92b80e2ecc1f0bf3eead3c05ae41446cd59ca469936385232488289108dca89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7a8049d2b195acc8b8f7d6fc3d56297d19789e662b52af8a6c980e03727ce1d",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-06-23T17:24:37Z",
    "title_canon_sha256": "914cd935abb951ef00b98462686ee5610592530d5d4a3e3de63a7352b9e29624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24845",
    "kind": "arxiv",
    "version": 1
  }
}