Pith Number

pith:Y3FKB4KJ

pith:2017:Y3FKB4KJLIKICMTNYW7X5FBGFG

not attested not anchored not stored refs pending

Separable discrete functions: recognition and sufficient conditions

Endre Boros, Ondrej Cepek, Vladimir Gurvich

arxiv:1711.06772 v1 · 2017-11-17 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3FKB4KJLIKICMTNYW7X5FBGFG}

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	2026-05-18T00:30:15.649846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6caa0f1495a1481326dc5bf7e942629b6dc257b588f27ab4f12db2110dd9fd3

Aliases

arxiv: 1711.06772 · arxiv_version: 1711.06772v1 · doi: 10.48550/arxiv.1711.06772 · pith_short_12: Y3FKB4KJLIKI · pith_short_16: Y3FKB4KJLIKICMTN · pith_short_8: Y3FKB4KJ

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/Y3FKB4KJLIKICMTNYW7X5FBGFG \
  | 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: c6caa0f1495a1481326dc5bf7e942629b6dc257b588f27ab4f12db2110dd9fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a0393f2f2f1da4eeabb9efaff9b5fa8cda89394bfef15319304df78a64ce1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-17T23:28:09Z",
    "title_canon_sha256": "9aa36277ab1f4fd014b61805e2d9304e6b1a075f3e6ad88543ec22d3f42c0028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06772",
    "kind": "arxiv",
    "version": 1
  }
}