Pith Number

pith:YZEWMHW5

pith:2015:YZEWMHW5Y3SOPV4NY3OG2ZH62G

not attested not anchored not stored refs pending

Finding Near-Optimal Independent Sets at Scale

Christian Schulz, Darren Strash, Peter Sanders, Renato F. Werneck, Sebastian Lamm

arxiv:1509.00764 v1 · 2015-09-02 · cs.DS · cs.NE · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZEWMHW5Y3SOPV4NY3OG2ZH62G}

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	2026-05-18T01:34:06.096389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c649661eddc6e4e7d78dc6dc6d64fed1ac3f48cd908c70dca38100d18f3769e9

Aliases

arxiv: 1509.00764 · arxiv_version: 1509.00764v1 · doi: 10.48550/arxiv.1509.00764 · pith_short_12: YZEWMHW5Y3SO · pith_short_16: YZEWMHW5Y3SOPV4N · pith_short_8: YZEWMHW5

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/YZEWMHW5Y3SOPV4NY3OG2ZH62G \
  | 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: c649661eddc6e4e7d78dc6dc6d64fed1ac3f48cd908c70dca38100d18f3769e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28307f590cf224864ab5ae9d4ef8a0c452d8fecea8f65717cac9353f5dce8de9",
    "cross_cats_sorted": [
      "cs.NE",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-09-02T16:04:59Z",
    "title_canon_sha256": "6535de453ef91ea6da43edf73d36d02e4ce9b014f8a3d3a66948261fded82602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00764",
    "kind": "arxiv",
    "version": 1
  }
}