Pith Number

pith:FFID7RVE

pith:2017:FFID7RVE5JA57HOJGR7K3ISMSZ

not attested not anchored not stored refs pending

No, This is not a Circle

Zolt\'an Kov\'acs

arxiv:1704.08483 v3 · 2017-04-27 · math.HO · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFID7RVE5JA57HOJGR7K3ISMSZ}

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	2026-05-18T00:44:34.991836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29503fc6a4ea41df9dc9347eada24c964572af586f826a5108592dbcc06a9f45

Aliases

arxiv: 1704.08483 · arxiv_version: 1704.08483v3 · doi: 10.48550/arxiv.1704.08483 · pith_short_12: FFID7RVE5JA5 · pith_short_16: FFID7RVE5JA57HOJ · pith_short_8: FFID7RVE

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/FFID7RVE5JA57HOJGR7K3ISMSZ \
  | 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: 29503fc6a4ea41df9dc9347eada24c964572af586f826a5108592dbcc06a9f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "092c625ece80ef6e0c178a2992294c78af74ecaf408e9e8a84c3274676d091a7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-04-27T09:04:10Z",
    "title_canon_sha256": "0ba183fd45e700ab3fa4277249eb353c5577d01cb18e29cfcb82764b03cbf2ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08483",
    "kind": "arxiv",
    "version": 3
  }
}