Pith Number

pith:BY6L2B2O

pith:2015:BY6L2B2OZ67V4POXV2OWXNU4J6

not attested not anchored not stored refs pending

Model-theoretic applications of cofinality spectrum problems

M. Malliaris, S. Shelah

arxiv:1503.08338 v1 · 2015-03-28 · 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{BY6L2B2OZ67V4POXV2OWXNU4J6}

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	2026-05-18T02:20:02.082024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3cbd074ecfbf5e3dd7ae9d6bb69c4fb48c62eac72a4a9efbe5d05c3ab4ea1c

Aliases

arxiv: 1503.08338 · arxiv_version: 1503.08338v1 · doi: 10.48550/arxiv.1503.08338 · pith_short_12: BY6L2B2OZ67V · pith_short_16: BY6L2B2OZ67V4POX · pith_short_8: BY6L2B2O

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/BY6L2B2OZ67V4POXV2OWXNU4J6 \
  | 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: 0e3cbd074ecfbf5e3dd7ae9d6bb69c4fb48c62eac72a4a9efbe5d05c3ab4ea1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2430e6ef33d48c98f65689710e505b19bd4b4c79d825096c4f63695bea3eb64a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-03-28T19:30:34Z",
    "title_canon_sha256": "fdaed1c031f6f98f71c3fcc27698af6e7eadd3f5b0ab6f72c1e52d2c834b52b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08338",
    "kind": "arxiv",
    "version": 1
  }
}