Pith Number

pith:OYWOCYQM

pith:2018:OYWOCYQMVDVRFTUXWLWHSTX5EK

not attested not anchored not stored refs pending

Fully dynamic $3/2$ approximate maximum cardinality matching in $O(\sqrt{n})$ update time

Manas Jyoti Kashyop, N.S. Narayanaswamy

arxiv:1810.01073 v2 · 2018-10-02 · 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{OYWOCYQMVDVRFTUXWLWHSTX5EK}

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	2026-05-18T00:01:37.667411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762ce1620ca8eb12ce97b2ec794efd22a0ae37d9914926e6d433e464eb4762bc

Aliases

arxiv: 1810.01073 · arxiv_version: 1810.01073v2 · doi: 10.48550/arxiv.1810.01073 · pith_short_12: OYWOCYQMVDVR · pith_short_16: OYWOCYQMVDVRFTUX · pith_short_8: OYWOCYQM

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/OYWOCYQMVDVRFTUXWLWHSTX5EK \
  | 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: 762ce1620ca8eb12ce97b2ec794efd22a0ae37d9914926e6d433e464eb4762bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eecb9f41382c30ad2bb178033c79a01a5cc55b0448c95174e222cf4a0263b79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-02T05:26:00Z",
    "title_canon_sha256": "d338b4a51694b0621b3fc36fd8ea908c58d983f65c4f729965ac9b84152c3560"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01073",
    "kind": "arxiv",
    "version": 2
  }
}