Pith Number

pith:Q3QXY4S7

pith:2015:Q3QXY4S7CPVK4TDOOVTKOYQUNA

not attested not anchored not stored refs pending

Generalized Two-mode Cores

Monika Cerin\v{s}ek, Vladimir Batagelj

arxiv:1505.01817 v1 · 2015-05-06 · 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{Q3QXY4S7CPVK4TDOOVTKOYQUNA}

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	2026-05-18T01:18:09.829846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86e17c725f13eaae4c6e7566a76214680de8db3ac6d556010a72f7cf3c04b38b

Aliases

arxiv: 1505.01817 · arxiv_version: 1505.01817v1 · doi: 10.48550/arxiv.1505.01817 · pith_short_12: Q3QXY4S7CPVK · pith_short_16: Q3QXY4S7CPVK4TDO · pith_short_8: Q3QXY4S7

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/Q3QXY4S7CPVK4TDOOVTKOYQUNA \
  | 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: 86e17c725f13eaae4c6e7566a76214680de8db3ac6d556010a72f7cf3c04b38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b99b9fb37232d30473d60da787dfd025f35e96225e161cd0492d4090fa5d19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-05-06T13:47:05Z",
    "title_canon_sha256": "39876d400513347b73cbc997ce658398f6cd9e91c7138d8b62ac1f00cff5be28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01817",
    "kind": "arxiv",
    "version": 1
  }
}