Pith Number

pith:WLBU4XCD

pith:2014:WLBU4XCDKVZU775GUBCRQIB3XB

not attested not anchored not stored refs pending

Low for random reals and positive-measure domination

Bj{\o}rn Kjos-Hanssen

arxiv:1408.2171 v1 · 2014-08-10 · 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{WLBU4XCDKVZU775GUBCRQIB3XB}

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	2026-05-18T02:45:30.160562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c34e5c4355734fffa6a04518203bb84dc1afa682d3f41fc5103dcc22dee865

Aliases

arxiv: 1408.2171 · arxiv_version: 1408.2171v1 · doi: 10.48550/arxiv.1408.2171 · pith_short_12: WLBU4XCDKVZU · pith_short_16: WLBU4XCDKVZU775G · pith_short_8: WLBU4XCD

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/WLBU4XCDKVZU775GUBCRQIB3XB \
  | 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: b2c34e5c4355734fffa6a04518203bb84dc1afa682d3f41fc5103dcc22dee865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5ed4ba5e7a647e4eae62d78ebe8f671085cec927682e1ae29a4bfae6cb0a818",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-10T01:32:37Z",
    "title_canon_sha256": "48a0818fbb5aedcbe4cf1c8efb946be9c3e66e41fb20cb89dbd5d3f137a8cce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2171",
    "kind": "arxiv",
    "version": 1
  }
}