Pith Number

pith:AOQF4D6C

pith:2019:AOQF4D6CO43KUQEHJ2SDINYH5D

not attested not anchored not stored refs pending

The covering number of the strong measure zero ideal can be above almost everything else

Diego A. Mej\'ia, Ismael E. Rivera-Madrid, Miguel A. Cardona

arxiv:1902.01508 v1 · 2019-02-05 · 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{AOQF4D6CO43KUQEHJ2SDINYH5D}

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	2026-05-17T23:54:47.507510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03a05e0fc27736aa40874ea4343707e8cfaa75353cbaa0ac74b98daecb7af3d5

Aliases

arxiv: 1902.01508 · arxiv_version: 1902.01508v1 · doi: 10.48550/arxiv.1902.01508 · pith_short_12: AOQF4D6CO43K · pith_short_16: AOQF4D6CO43KUQEH · pith_short_8: AOQF4D6C

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/AOQF4D6CO43KUQEHJ2SDINYH5D \
  | 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: 03a05e0fc27736aa40874ea4343707e8cfaa75353cbaa0ac74b98daecb7af3d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4990c84cd980675369e4d77614d27b7067056addd0ec48886a2717040d2a59f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-02-05T01:11:16Z",
    "title_canon_sha256": "6ed9a5b805a6e00c0540acdbdc3351c88e9329d4cd3e304c9f94da44e9cb7fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01508",
    "kind": "arxiv",
    "version": 1
  }
}