Pith Number

pith:2QEDZFOF

pith:2015:2QEDZFOFNFCN7DRDGDL6VZFUHK

not attested not anchored not stored refs pending

Indestructible Guessing Models and the Continuum

John Krueger, Sean Cox

arxiv:1510.05297 v3 · 2015-10-18 · 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{2QEDZFOFNFCN7DRDGDL6VZFUHK}

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	2026-05-17T23:41:22.399246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4083c95c56944df8e2330d7eae4b43a92995801c724a32e913a7e8d25251147

Aliases

arxiv: 1510.05297 · arxiv_version: 1510.05297v3 · doi: 10.48550/arxiv.1510.05297 · pith_short_12: 2QEDZFOFNFCN · pith_short_16: 2QEDZFOFNFCN7DRD · pith_short_8: 2QEDZFOF

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/2QEDZFOFNFCN7DRDGDL6VZFUHK \
  | 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: d4083c95c56944df8e2330d7eae4b43a92995801c724a32e913a7e8d25251147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e1c13c417ecb5dbfc78a02fdb86c27ad592bd5857721b3fa85c85cae0cf4354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-10-18T19:45:51Z",
    "title_canon_sha256": "067d626ecc3396e286819b0cbc9aee8e7b53fa8bee9715cd4bee896cb28e3c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05297",
    "kind": "arxiv",
    "version": 3
  }
}