Pith Number

pith:OQFE26VO

pith:2015:OQFE26VOBX5TR4WHV577GSX6YL

not attested not anchored not stored refs pending

Number Systems with Simplicity Hierarchies II

Elliot Kaplan, Philip Ehrlich

arxiv:1512.04001 v1 · 2015-12-13 · 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{OQFE26VOBX5TR4WHV577GSX6YL}

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	2026-05-18T01:24:23.388892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

740a4d7aae0dfb38f2c7af7ff34afec2ed22e6ee83fbe5d4ff92806ff2499a87

Aliases

arxiv: 1512.04001 · arxiv_version: 1512.04001v1 · doi: 10.48550/arxiv.1512.04001 · pith_short_12: OQFE26VOBX5T · pith_short_16: OQFE26VOBX5TR4WH · pith_short_8: OQFE26VO

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/OQFE26VOBX5TR4WHV577GSX6YL \
  | 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: 740a4d7aae0dfb38f2c7af7ff34afec2ed22e6ee83fbe5d4ff92806ff2499a87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9420ac30eb08e8926e101dcecf4815d6c95ca9b47b0c65f88feb5c8f3c1c360b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-12-13T05:13:29Z",
    "title_canon_sha256": "522fb2a1853105060f792fcecd75f91f0ff017faa02de935e212453d30433a7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04001",
    "kind": "arxiv",
    "version": 1
  }
}