Pith Number

pith:EWSL4UGO

pith:2019:EWSL4UGOG2TVK6PYQAPU3A2JEC

not attested not anchored not stored refs pending

Constant-Time Dynamic $(\Delta+1)$-Coloring and Weight Approximation for Minimum Spanning Forest: Dynamic Algorithms Meet Property Testing

Monika Henzinger, Pan Peng

arxiv:1907.04745 v1 · 2019-07-10 · 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{EWSL4UGOG2TVK6PYQAPU3A2JEC}

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	2026-05-17T23:40:56.890760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a4be50ce36a75579f8801f4d834920a337bc0447cb8a7aca7ea0d2d40008c7

Aliases

arxiv: 1907.04745 · arxiv_version: 1907.04745v1 · doi: 10.48550/arxiv.1907.04745 · pith_short_12: EWSL4UGOG2TV · pith_short_16: EWSL4UGOG2TVK6PY · pith_short_8: EWSL4UGO

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/EWSL4UGOG2TVK6PYQAPU3A2JEC \
  | 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: 25a4be50ce36a75579f8801f4d834920a337bc0447cb8a7aca7ea0d2d40008c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7520cd66ed20ce51b723f17f133cbaf682fb0a95f878197f54b09dd7518bb0cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-10T14:21:06Z",
    "title_canon_sha256": "76cce2558c3b522b1bb2b499bf0d3c90f6db20a354a5c53628de5ee35ee6fe8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04745",
    "kind": "arxiv",
    "version": 1
  }
}