Pith Number

pith:QHI3EULB

pith:2013:QHI3EULBVOETKGCQS2ASUI7PFR

not attested not anchored not stored refs pending

Next Generation Cluster Editing

Alexander Sch\"onhuth, Gunnar W. Klau, Thomas Bellitto, Tobias Marschall

arxiv:1310.3353 v1 · 2013-10-12 · 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{QHI3EULBVOETKGCQS2ASUI7PFR}

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	2026-05-18T03:10:36.020233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d1b25161ab8935185096812a23ef2c4e1cb7558b08d611d44f595d940e80b8

Aliases

arxiv: 1310.3353 · arxiv_version: 1310.3353v1 · doi: 10.48550/arxiv.1310.3353 · pith_short_12: QHI3EULBVOET · pith_short_16: QHI3EULBVOETKGCQ · pith_short_8: QHI3EULB

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/QHI3EULBVOETKGCQS2ASUI7PFR \
  | 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: 81d1b25161ab8935185096812a23ef2c4e1cb7558b08d611d44f595d940e80b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9b14b29abbf9f754446b8318c61724c4d215e3f7b322c6b2fe0aa65826d64b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-10-12T09:34:30Z",
    "title_canon_sha256": "98f99f17217474c8d05e0c40bab026c5e8ed3bae7a76ab677ea108189ed5a04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3353",
    "kind": "arxiv",
    "version": 1
  }
}