Pith Number

pith:3QG4WMUG

pith:2017:3QG4WMUG2AIIID6HWQEJPE3P7Z

not attested not anchored not stored refs pending

Intersections of three quadrics in $\mathbb{P}^7$

Alena Pirutka, Brendan Hassett, Yuri Tschinkel

arxiv:1706.01371 v1 · 2017-06-05 · 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{3QG4WMUG2AIIID6HWQEJPE3P7Z}

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.

Cited by

1 paper in Pith

The Lichtenbaum-Quillen dimension of complex varieties

Receipt and verification

First computed	2026-05-18T00:43:03.739704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0dcb3286d010840fc7b40897936ffe44f63ae7f5c73032389504c2e5485841

Aliases

arxiv: 1706.01371 · arxiv_version: 1706.01371v1 · doi: 10.48550/arxiv.1706.01371 · pith_short_12: 3QG4WMUG2AII · pith_short_16: 3QG4WMUG2AIIID6H · pith_short_8: 3QG4WMUG

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/3QG4WMUG2AIIID6HWQEJPE3P7Z \
  | 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: dc0dcb3286d010840fc7b40897936ffe44f63ae7f5c73032389504c2e5485841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfce520f20cdfa07e602d055fb52b1a02a487c081977af7ae0a7e62e5da4738a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-06-05T15:30:42Z",
    "title_canon_sha256": "2decfb063170b766cee254302d0bbd1ac2a50dcbd9cf67f26b21837e2da0a41a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01371",
    "kind": "arxiv",
    "version": 1
  }
}