Pith Number

pith:QOHDT5RS

pith:2018:QOHDT5RSQ4JWPSGCE4Z4FIBP26

not attested not anchored not stored refs pending

The Determination of 2-color zero-sum generalized Schur Numbers

Aaron Robertson, Bidisha Roy, Subha Sarkar

arxiv:1803.00861 v2 · 2018-03-02 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOHDT5RSQ4JWPSGCE4Z4FIBP26}

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	2026-05-18T00:21:45.501911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838e39f632871367c8c22733c2a02fd7bf93b9e7df0c0035e688b0f50ee1a361

Aliases

arxiv: 1803.00861 · arxiv_version: 1803.00861v2 · doi: 10.48550/arxiv.1803.00861 · pith_short_12: QOHDT5RSQ4JW · pith_short_16: QOHDT5RSQ4JWPSGC · pith_short_8: QOHDT5RS

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/QOHDT5RSQ4JWPSGCE4Z4FIBP26 \
  | 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: 838e39f632871367c8c22733c2a02fd7bf93b9e7df0c0035e688b0f50ee1a361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1089ffe939173d609d17cae22efc7c6a05fc8d0429b8379fe5187b954244e53f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-02T14:23:44Z",
    "title_canon_sha256": "4c238b6ecd691a127f951ebddd519c7fd7c815b16bbb34cf308662fdfadf666a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00861",
    "kind": "arxiv",
    "version": 2
  }
}