Pith Number

pith:HI47JAUY

pith:2017:HI47JAUYFUUGHIRTDABPM4G7WW

not attested not anchored not stored refs pending

On the Chow groups of certain cubic fourfolds

Robert Laterveer

arxiv:1703.03990 v1 · 2017-03-11 · 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{HI47JAUYFUUGHIRTDABPM4G7WW}

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	2026-05-18T00:48:52.464702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a39f482982d2863a2331802f670dfb5ba22d152abfe0cc6422206b2c3316aac

Aliases

arxiv: 1703.03990 · arxiv_version: 1703.03990v1 · doi: 10.48550/arxiv.1703.03990 · pith_short_12: HI47JAUYFUUG · pith_short_16: HI47JAUYFUUGHIRT · pith_short_8: HI47JAUY

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/HI47JAUYFUUGHIRTDABPM4G7WW \
  | 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: 3a39f482982d2863a2331802f670dfb5ba22d152abfe0cc6422206b2c3316aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "306af457c382667fa27fc17c34622458d7723f15e4cf97d074a0012c57d274ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-11T16:15:11Z",
    "title_canon_sha256": "171f5ce97b585b3d16cb8c6a4323598406b903a19114280ceb702ca593a0d7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03990",
    "kind": "arxiv",
    "version": 1
  }
}