Pith Number

pith:U2JGIYFK

pith:2018:U2JGIYFK5IF2CCPE655UR5NAUR

not attested not anchored not stored refs pending

On the strong separation conjecture

D. Schaub (LAREMA, F Lucas (LAREMA, M. Spivakovsky (IMT, UA), UNAM)

arxiv:1802.09389 v1 · 2018-02-26 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2JGIYFK5IF2CCPE655UR5NAUR}

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	2026-05-18T00:22:33.815414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6926460aaea0ba109e4f77b48f5a0a45eb236dc62990cd276f3bd7028079b99

Aliases

arxiv: 1802.09389 · arxiv_version: 1802.09389v1 · doi: 10.48550/arxiv.1802.09389 · pith_short_12: U2JGIYFK5IF2 · pith_short_16: U2JGIYFK5IF2CCPE · pith_short_8: U2JGIYFK

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/U2JGIYFK5IF2CCPE655UR5NAUR \
  | 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: a6926460aaea0ba109e4f77b48f5a0a45eb236dc62990cd276f3bd7028079b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "add46d2fcf8e21eb83d06632b3b370ec640d64f8e396e51afa232d98a4533a73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-02-26T15:19:40Z",
    "title_canon_sha256": "f00cfb2d35d3607fc88369cf4a6858450b387ac06ec53def1f6eb0ded285b0db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09389",
    "kind": "arxiv",
    "version": 1
  }
}