Pith Number

pith:JYIFX4XT

pith:2015:JYIFX4XTZNVMOVXFZAPKMGJC5C

not attested not anchored not stored refs pending

On the random greedy F-free hypergraph process

Amelia Taylor, Daniela K\"uhn, Deryk Osthus

arxiv:1502.00486 v1 · 2015-02-02 · 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{JYIFX4XTZNVMOVXFZAPKMGJC5C}

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	2026-05-18T02:28:05.919907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e105bf2f3cb6ac756e5c81ea61922e8a43b1deed39fe67ebbc573d2e2e8362c

Aliases

arxiv: 1502.00486 · arxiv_version: 1502.00486v1 · doi: 10.48550/arxiv.1502.00486 · pith_short_12: JYIFX4XTZNVM · pith_short_16: JYIFX4XTZNVMOVXF · pith_short_8: JYIFX4XT

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/JYIFX4XTZNVMOVXFZAPKMGJC5C \
  | 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: 4e105bf2f3cb6ac756e5c81ea61922e8a43b1deed39fe67ebbc573d2e2e8362c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768ba5ce399d5298930ddca130bf5ef2ed45f92a434c7811c2f32a7adabceeb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-02T14:14:45Z",
    "title_canon_sha256": "71174e44ac7fcf46f49bf8657d9589aab387640eb35fe4a2dc7dff8aa6f11f5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00486",
    "kind": "arxiv",
    "version": 1
  }
}