Pith Number

pith:DO7I4JYM

pith:2017:DO7I4JYMENI3I3MV72NDNN2DAQ

not attested not anchored not stored refs pending

Madness and regularity properties

Haim Horowitz, Saharon Shelah

arxiv:1704.08327 v2 · 2017-04-26 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DO7I4JYMENI3I3MV72NDNN2DAQ}

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.

Cited by

1 paper in Pith

Ramsey Property and Pathological Sets: Almost Disjointness, Independence and Other Maximal Objects

Receipt and verification

First computed	2026-05-18T00:44:23.059656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bbe8e270c2351b46d95fe9a36b743041c1c68eee6f2aa218ac58ae7bed7bd96

Aliases

arxiv: 1704.08327 · arxiv_version: 1704.08327v2 · doi: 10.48550/arxiv.1704.08327 · pith_short_12: DO7I4JYMENI3 · pith_short_16: DO7I4JYMENI3I3MV · pith_short_8: DO7I4JYM

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/DO7I4JYMENI3I3MV72NDNN2DAQ \
  | 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: 1bbe8e270c2351b46d95fe9a36b743041c1c68eee6f2aa218ac58ae7bed7bd96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a258e8d1709afe05ca779808b7eb0cfed9875e8a71fad4504d749bd91fbca52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-04-26T19:49:36Z",
    "title_canon_sha256": "f3d3d00ee4de7b29030b9426616f649def7432bf8b6e3dcf4bfc1f2fc9823425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08327",
    "kind": "arxiv",
    "version": 2
  }
}