Pith Number

pith:64UZWTEK

pith:2015:64UZWTEKPYSYIVRES6ANHYTSFY

not attested not anchored not stored refs pending

Examples of hyperbolic hypersurfaces of low degree in projective spaces

Dinh Tuan Huynh

arxiv:1507.03542 v5 · 2015-07-13 · math.CV · 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{64UZWTEKPYSYIVRES6ANHYTSFY}

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	2026-05-18T01:23:38.131856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7299b4c8a7e258456249780d3e2722e0bbeaf5eb0aa7c28823431f690f5b0fb

Aliases

arxiv: 1507.03542 · arxiv_version: 1507.03542v5 · doi: 10.48550/arxiv.1507.03542 · pith_short_12: 64UZWTEKPYSY · pith_short_16: 64UZWTEKPYSYIVRE · pith_short_8: 64UZWTEK

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/64UZWTEKPYSYIVRES6ANHYTSFY \
  | 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: f7299b4c8a7e258456249780d3e2722e0bbeaf5eb0aa7c28823431f690f5b0fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a6fd87ab005760a15a2c7f830999c3089e0c8e28e3dc2f32a9cb86ad7885852",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-07-13T18:42:30Z",
    "title_canon_sha256": "aaaf7d37516857695ad18fa42dc34c812e76e3ce8c0b134a6762bc65920c05f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03542",
    "kind": "arxiv",
    "version": 5
  }
}