Pith Number

pith:Z6BWJPV4

pith:2017:Z6BWJPV4NX3LAAI5NOMNZZSGCB

not attested not anchored not stored refs pending

On the moduli space of pairs consisting of a cubic threefold and a hyperplane

Gregory Pearlstein, Radu Laza, Zheng Zhang

arxiv:1710.08056 v2 · 2017-10-23 · 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{Z6BWJPV4NX3LAAI5NOMNZZSGCB}

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	2026-05-17T23:55:59.936590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf8364bebc6df6b0011d6b98dce64610627376226d1dff5f0888c574c09e5b2f

Aliases

arxiv: 1710.08056 · arxiv_version: 1710.08056v2 · doi: 10.48550/arxiv.1710.08056 · pith_short_12: Z6BWJPV4NX3L · pith_short_16: Z6BWJPV4NX3LAAI5 · pith_short_8: Z6BWJPV4

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/Z6BWJPV4NX3LAAI5NOMNZZSGCB \
  | 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: cf8364bebc6df6b0011d6b98dce64610627376226d1dff5f0888c574c09e5b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce563a80db8e3321de4599b11aa753d4b7cd3dacf60fd44f22e66f42a82fdeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-23T01:34:57Z",
    "title_canon_sha256": "58f54031bca4dc37d055216027b54d0adeb36e74d39d7142136133f7b6c3edd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08056",
    "kind": "arxiv",
    "version": 2
  }
}