Pith Number

pith:ZC6R7GEF

pith:2015:ZC6R7GEFX7Q5MBRHMNGJJFDMLM

not attested not anchored not stored refs pending

On the Approximation Performance of Degree Heuristics for Matching

Bastian Werth, Bert Besser

arxiv:1504.05830 v2 · 2015-04-22 · 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{ZC6R7GEFX7Q5MBRHMNGJJFDMLM}

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	2026-05-18T00:54:41.656378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bd1f9885bfe1d60627634c94946c5b06edeb1c9b21a58be46f3408b15a397a

Aliases

arxiv: 1504.05830 · arxiv_version: 1504.05830v2 · doi: 10.48550/arxiv.1504.05830 · pith_short_12: ZC6R7GEFX7Q5 · pith_short_16: ZC6R7GEFX7Q5MBRH · pith_short_8: ZC6R7GEF

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/ZC6R7GEFX7Q5MBRHMNGJJFDMLM \
  | 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: c8bd1f9885bfe1d60627634c94946c5b06edeb1c9b21a58be46f3408b15a397a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d246cc2aa5ce568e2774890813c9b4298d23d30c8df3f6f926fc45b6367a78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-22T14:45:32Z",
    "title_canon_sha256": "0f954bdcf83ddb99c8ca101b2f73334a146004fae13baa41bb37a001a45efe19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05830",
    "kind": "arxiv",
    "version": 2
  }
}