Pith Number

pith:HWANE6R7

pith:2011:HWANE6R7D6L2LGEOO52O42FWOQ

not attested not anchored not stored refs pending

Ramsey-like cardinals II

Philip Welch, Victoria Gitman

arxiv:1104.4448 v1 · 2011-04-22 · 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{HWANE6R7D6L2LGEOO52O42FWOQ}

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	2026-05-18T04:23:34.589632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d80d27a3f1f97a5988e7774ee68b67413ea6df3a19b4332354317ac31565fb4

Aliases

arxiv: 1104.4448 · arxiv_version: 1104.4448v1 · doi: 10.48550/arxiv.1104.4448 · pith_short_12: HWANE6R7D6L2 · pith_short_16: HWANE6R7D6L2LGEO · pith_short_8: HWANE6R7

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/HWANE6R7D6L2LGEOO52O42FWOQ \
  | 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: 3d80d27a3f1f97a5988e7774ee68b67413ea6df3a19b4332354317ac31565fb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b1f3b5da23b0c558b3e4fb1b6f5bf9d0af7d7c69569f1e169dbc4ecc2761ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-04-22T14:29:32Z",
    "title_canon_sha256": "44b4820374f235d8784a41a3e04c44d8d352720cfe4aa51878a7a59803216661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4448",
    "kind": "arxiv",
    "version": 1
  }
}