Pith Number

pith:FCZGSBSK

pith:2025:FCZGSBSKN422T6HLUJPDUXHXVC

not attested not anchored not stored refs pending

Hardness of Dynamic Core and Truss Decompositions

Cristina G. Fernandes, Yan S. Couto

arxiv:2509.13584 v2 · 2025-09-16 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCZGSBSKN422T6HLUJPDUXHXVC}

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	2026-06-25T00:18:11.619454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b269064a6f35a9f8eba25e3a5cf7a88a7f847b8ff64afcce69dd661cfb7182

Aliases

arxiv: 2509.13584 · arxiv_version: 2509.13584v2 · doi: 10.48550/arxiv.2509.13584 · pith_short_12: FCZGSBSKN422 · pith_short_16: FCZGSBSKN422T6HL · pith_short_8: FCZGSBSK

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/FCZGSBSKN422T6HLUJPDUXHXVC \
  | 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: 28b269064a6f35a9f8eba25e3a5cf7a88a7f847b8ff64afcce69dd661cfb7182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb0e8c2ff50468d29a48aa5e2474d27aaade6d2ceda982145e5cd4d8b74b16f",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-09-16T22:59:51Z",
    "title_canon_sha256": "92799fd37016e0791068b3307e74e0535cff7ec797c77079d02d675a9f7ca5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.13584",
    "kind": "arxiv",
    "version": 2
  }
}