Pith Number

pith:YG2NHKHL

pith:2025:YG2NHKHL7XPQI7IJPPJAMXRHIG

not attested not anchored not stored refs pending

Efficient Exact Resistance Distance Computation on Small-Treewidth Graphs: a Labelling Approach

Guoren Wang, Meihao Liao, Rong-Hua Li, Yueyang Pan

arxiv:2509.05129 v1 · 2025-09-05 · cs.DB · cs.DM · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YG2NHKHL7XPQI7IJPPJAMXRHIG}

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	2026-07-05T12:05:36.541506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b4d3a8ebfddf047d097bd2065e274188d4883e8cb3e2b315705d75ff0fee14

Aliases

arxiv: 2509.05129 · arxiv_version: 2509.05129v1 · doi: 10.48550/arxiv.2509.05129 · pith_short_12: YG2NHKHL7XPQ · pith_short_16: YG2NHKHL7XPQI7IJ · pith_short_8: YG2NHKHL

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/YG2NHKHL7XPQI7IJPPJAMXRHIG \
  | 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: c1b4d3a8ebfddf047d097bd2065e274188d4883e8cb3e2b315705d75ff0fee14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "672abe8db7a7ea5abb2dad74eb3d1885fe0566f2d76251b6c99adb8695f233ff",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-09-05T14:14:36Z",
    "title_canon_sha256": "ce36b1ba7dd0d6386e71154b08c906a59e3c0d3f1b377852d82208a326ea4c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05129",
    "kind": "arxiv",
    "version": 1
  }
}