Pith Number

pith:S7GOISTW

pith:2018:S7GOISTWB5XXV4CMNJ5KY3TKDO

not attested not anchored not stored refs pending

Algebraic hyperbolicity of the very general quintic surface in $\mathbb{P}^3$

Eric Riedl, Izzet Coskun

arxiv:1804.04107 v1 · 2018-04-11 · 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{S7GOISTWB5XXV4CMNJ5KY3TKDO}

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	2026-05-18T00:18:42.059947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97cce44a760f6f7af04c6a7aac6e6a1b9aec3f058b52bfa38668253a46f25372

Aliases

arxiv: 1804.04107 · arxiv_version: 1804.04107v1 · doi: 10.48550/arxiv.1804.04107 · pith_short_12: S7GOISTWB5XX · pith_short_16: S7GOISTWB5XXV4CM · pith_short_8: S7GOISTW

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/S7GOISTWB5XXV4CMNJ5KY3TKDO \
  | 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: 97cce44a760f6f7af04c6a7aac6e6a1b9aec3f058b52bfa38668253a46f25372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60a79865ef96a4fc42ad58fa203b0aa6b0cbb3be0ef61ae97a6fd7d924164c8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-11T17:28:06Z",
    "title_canon_sha256": "e10385f9bb1d5a688a79cf27c064d5f596ae6aa95e386a67c7d9c701e0ba3af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04107",
    "kind": "arxiv",
    "version": 1
  }
}