Pith Number

pith:YIAV7LZM

pith:2014:YIAV7LZMOT72QHXIHXDHG4MNWX

not attested not anchored not stored refs pending

The linear refinement number and selection theory

Boaz Tsaban, Micha{\l} Machura, Saharon Shelah

arxiv:1404.2239 v1 · 2014-04-08 · math.GN · 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{YIAV7LZMOT72QHXIHXDHG4MNWX}

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	2026-05-18T01:15:59.188823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2015faf2c74ffa81ee83dc673718db5ecb6850afde82af40966234a6ae9a244

Aliases

arxiv: 1404.2239 · arxiv_version: 1404.2239v1 · doi: 10.48550/arxiv.1404.2239 · pith_short_12: YIAV7LZMOT72 · pith_short_16: YIAV7LZMOT72QHXI · pith_short_8: YIAV7LZM

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/YIAV7LZMOT72QHXIHXDHG4MNWX \
  | 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: c2015faf2c74ffa81ee83dc673718db5ecb6850afde82af40966234a6ae9a244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6858b68870abf914c38671f8abbe2c4eafac2cd4a7ff6b30fe24c425fd64a2b2",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-04-08T18:03:36Z",
    "title_canon_sha256": "a201dd1a0da16385f6879dc32edc8a3236fb0e73966c23a0919cd593771f64e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2239",
    "kind": "arxiv",
    "version": 1
  }
}