Pith Number

pith:2SJMB4GJ

pith:2025:2SJMB4GJNXBO2WDT3NSSGMO3TO

not attested not anchored not stored refs pending

Improved Streaming Edge Coloring

Hongyi Chen, Shiri Chechik, Tianyi Zhang

arxiv:2504.16470 v1 · 2025-04-23 · 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{2SJMB4GJNXBO2WDT3NSSGMO3TO}

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	2026-07-05T10:52:47.347076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d492c0f0c96dc2ed5873db652331db9bad60e0286374a09dde737ff27fe115d9

Aliases

arxiv: 2504.16470 · arxiv_version: 2504.16470v1 · doi: 10.48550/arxiv.2504.16470 · pith_short_12: 2SJMB4GJNXBO · pith_short_16: 2SJMB4GJNXBO2WDT · pith_short_8: 2SJMB4GJ

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/2SJMB4GJNXBO2WDT3NSSGMO3TO \
  | 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: d492c0f0c96dc2ed5873db652331db9bad60e0286374a09dde737ff27fe115d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a1ceacfbc623f5130f31cb4ceea49691b7249ee433b473b297f71021e71c22d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-04-23T07:29:57Z",
    "title_canon_sha256": "4ab548d5a517b4875403b2b8ed1007f611ba681e3a14aefb95eee4d5f6b4d67d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16470",
    "kind": "arxiv",
    "version": 1
  }
}