Pith Number

pith:IT5EFQES

pith:2018:IT5EFQESUUBXYICOOLFS6W5FHJ

not attested not anchored not stored refs pending

A Parameterized Complexity View on Collapsing k-Cores

Hendrik Molter, Junjie Luo, Ondrej Suchy

arxiv:1805.12453 v1 · 2018-05-31 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IT5EFQESUUBXYICOOLFS6W5FHJ}

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	2026-05-18T00:14:30.155087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44fa42c092a5037c204e72cb2f5ba53a6a15f7a2967bb0f00d2148026b5bd0d0

Aliases

arxiv: 1805.12453 · arxiv_version: 1805.12453v1 · doi: 10.48550/arxiv.1805.12453 · pith_short_12: IT5EFQESUUBX · pith_short_16: IT5EFQESUUBXYICO · pith_short_8: IT5EFQES

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/IT5EFQESUUBXYICOOLFS6W5FHJ \
  | 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: 44fa42c092a5037c204e72cb2f5ba53a6a15f7a2967bb0f00d2148026b5bd0d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2706cb06effaa8929a7e9c12ae7f7edbe246d60efa66e61eceec4f628a8ece34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-05-31T13:14:45Z",
    "title_canon_sha256": "4ea80740a8727c1ad4df5ee95607d2bc8605c1d0062544f2206c401883fca982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12453",
    "kind": "arxiv",
    "version": 1
  }
}