Pith Number

pith:CDD64RT7

pith:2014:CDD64RT77NSMSSRILQID7WLTV3

not attested not anchored not stored refs pending

Fragments of Frege's Grundgesetze and G\"odel's Constructible Universe

Sean Walsh

arxiv:1407.3861 v3 · 2014-07-15 · 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{CDD64RT77NSMSSRILQID7WLTV3}

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	2026-05-18T01:55:53.287048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10c7ee467ffb64c94a285c103fd973aed887cdb66ac2c5acf459b91182b05762

Aliases

arxiv: 1407.3861 · arxiv_version: 1407.3861v3 · doi: 10.48550/arxiv.1407.3861 · pith_short_12: CDD64RT77NSM · pith_short_16: CDD64RT77NSMSSRI · pith_short_8: CDD64RT7

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/CDD64RT77NSMSSRILQID7WLTV3 \
  | 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: 10c7ee467ffb64c94a285c103fd973aed887cdb66ac2c5acf459b91182b05762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6df54c37e47657ff69ff68dd4bc92ef3eb4aedf2e258088336adf475d35feb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-07-15T01:55:13Z",
    "title_canon_sha256": "8289f61741ebd67d4bb6b7854f3e53203afd0c59b1d1f901b4ce10ff488f12f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3861",
    "kind": "arxiv",
    "version": 3
  }
}