Pith Number

pith:2LOKT5WD

pith:2013:2LOKT5WDMHOZUM3ODE27POSOQ3

not attested not anchored not stored refs pending

A mathematical theory of truth and an application to the regress problem

Seppo Heikkil\"a

arxiv:1307.4692 v6 · 2013-07-17 · 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{2LOKT5WDMHOZUM3ODE27POSOQ3}

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	2026-05-18T02:26:53.096954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2dca9f6c361dd9a336e1935f7ba4e86eb230d5c64e0c3a99bdf162dabea24e2

Aliases

arxiv: 1307.4692 · arxiv_version: 1307.4692v6 · doi: 10.48550/arxiv.1307.4692 · pith_short_12: 2LOKT5WDMHOZ · pith_short_16: 2LOKT5WDMHOZUM3O · pith_short_8: 2LOKT5WD

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/2LOKT5WDMHOZUM3ODE27POSOQ3 \
  | 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: d2dca9f6c361dd9a336e1935f7ba4e86eb230d5c64e0c3a99bdf162dabea24e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aef4046e8a970fd97be802f97af10c4e98aaa6cf576dee9717e3ec8e5521cb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-07-17T16:38:01Z",
    "title_canon_sha256": "bc938f4f6b13378f897a818e965ddcf6f39e7d8079bab48f66b25d49f2099ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4692",
    "kind": "arxiv",
    "version": 6
  }
}