Pith Number

pith:AYT7EVRW

pith:2011:AYT7EVRWPHJE62IPTABGDP2YO4

not attested not anchored not stored refs pending

An Improved Bound for First-Fit on Posets Without Two Long Incomparable Chains

David R. Wood, Gwena\"el Joret, Vida Dujmovi\'c

arxiv:1111.2370 v3 · 2011-11-09 · math.CO

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:21:34.803811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0627f2563679d24f690f980261bf587732b01eb6ca59249559a96aa1886663ae

Aliases

arxiv: 1111.2370 · arxiv_version: 1111.2370v3 · doi: 10.48550/arxiv.1111.2370

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/AYT7EVRWPHJE62IPTABGDP2YO4 \
  | 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: 0627f2563679d24f690f980261bf587732b01eb6ca59249559a96aa1886663ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d12438ac4e9542dfc675ea15dce0d3c215f8457f77ab7972a1d40c7d5c7792",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-09T23:57:33Z",
    "title_canon_sha256": "95f233053961f4d344b69efdc3289dc719e617c07c92f97da221f94176ad6542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2370",
    "kind": "arxiv",
    "version": 3
  }
}