Pith Number

pith:7HD54VTO

pith:2017:7HD54VTOYFG4MJGDCRA4UZOX4L

not attested not anchored not stored refs pending

A generalization of Erd\H{o}s' matching conjecture

Christos Pelekis, Israel Rocha

arxiv:1710.04633 v1 · 2017-10-12 · 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{7HD54VTOYFG4MJGDCRA4UZOX4L}

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	2026-05-18T00:33:00.500596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c7de566ec14dc624c31441ca65d7e2cf14c247bd42d49ce8740d6209e25728

Aliases

arxiv: 1710.04633 · arxiv_version: 1710.04633v1 · doi: 10.48550/arxiv.1710.04633 · pith_short_12: 7HD54VTOYFG4 · pith_short_16: 7HD54VTOYFG4MJGD · pith_short_8: 7HD54VTO

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/7HD54VTOYFG4MJGDCRA4UZOX4L \
  | 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: f9c7de566ec14dc624c31441ca65d7e2cf14c247bd42d49ce8740d6209e25728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc108ebff7c24cb0904c158ceba46ddac53702814921c659a7d3372a45d7c73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-12T17:36:47Z",
    "title_canon_sha256": "f66c70b1a14ce42f7ff281368c4a69aaa2713ae3f9329dfad9546defad2d20d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04633",
    "kind": "arxiv",
    "version": 1
  }
}