Pith Number

pith:YGYE5LZO

pith:2015:YGYE5LZOOL3Z2LYTYHGZD3CERF

not attested not anchored not stored refs pending

More on almost Souslin Kurepa trees

Mohammad Golshani

arxiv:1510.02928 v1 · 2015-10-10 · 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{YGYE5LZOOL3Z2LYTYHGZD3CERF}

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	2026-05-18T01:30:33.319754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b04eaf2e72f79d2f13c1cd91ec448979b8a3634fcf2593c9338b9f2ca32204

Aliases

arxiv: 1510.02928 · arxiv_version: 1510.02928v1 · doi: 10.48550/arxiv.1510.02928 · pith_short_12: YGYE5LZOOL3Z · pith_short_16: YGYE5LZOOL3Z2LYT · pith_short_8: YGYE5LZO

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/YGYE5LZOOL3Z2LYTYHGZD3CERF \
  | 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: c1b04eaf2e72f79d2f13c1cd91ec448979b8a3634fcf2593c9338b9f2ca32204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c19907612770c1a80452e7ac738ecb005eb60a6319ec4617f82c439f5700207d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-10-10T13:41:20Z",
    "title_canon_sha256": "e3229b933f2fb67b756d07262918d5da7590ac8ac8d737af8053908f554708ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02928",
    "kind": "arxiv",
    "version": 1
  }
}