Pith Number

pith:FDKM3FQM

pith:2015:FDKM3FQMGFVQU3VRZKITPVJQZN

not attested not anchored not stored refs pending

Binary primitive homogeneous simple structures

Vera Koponen

arxiv:1507.07360 v3 · 2015-07-27 · 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{FDKM3FQMGFVQU3VRZKITPVJQZN}

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	2026-05-18T01:09:36.566395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d4cd960c316b0a6eb1ca9137d530cb451b96b72b8cbe7a72560588b00d8a82

Aliases

arxiv: 1507.07360 · arxiv_version: 1507.07360v3 · doi: 10.48550/arxiv.1507.07360 · pith_short_12: FDKM3FQMGFVQ · pith_short_16: FDKM3FQMGFVQU3VR · pith_short_8: FDKM3FQM

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/FDKM3FQMGFVQU3VRZKITPVJQZN \
  | 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: 28d4cd960c316b0a6eb1ca9137d530cb451b96b72b8cbe7a72560588b00d8a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9ccc47c9515708e4baed4711b876837b423173fdf5f420ee41335a473a9ac09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-07-27T10:56:25Z",
    "title_canon_sha256": "8d0741f82108ec64342164b95f04727dcd28e691acd58f888b03152601510d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07360",
    "kind": "arxiv",
    "version": 3
  }
}