pith. sign in
Pith Number

pith:JNN6WA6I

pith:2016:JNN6WA6IO3GYT2D7WRFFMZHJQO
not attested not anchored not stored refs pending

Defect formula for nodal complete intersection threefolds

S. Cynk

arxiv:1607.08106 v1 · 2016-07-27 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JNN6WA6IO3GYT2D7WRFFMZHJQO}

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 2026-05-18T01:10:21.052293Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b5beb03c876cd89e87fb44a5664e983a6544865d7f4b7b685745f2f8656dc54

Aliases

arxiv: 1607.08106 · arxiv_version: 1607.08106v1 · doi: 10.48550/arxiv.1607.08106 · pith_short_12: JNN6WA6IO3GY · pith_short_16: JNN6WA6IO3GYT2D7 · pith_short_8: JNN6WA6I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JNN6WA6IO3GYT2D7WRFFMZHJQO \
  | 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: 4b5beb03c876cd89e87fb44a5664e983a6544865d7f4b7b685745f2f8656dc54
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "31ed759e1d655922ce4468c616b6af51a789f2a3bee9188a609b781c416f6b69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-27T14:21:27Z",
    "title_canon_sha256": "4005222f80362aab806e0e4e6882f280efca8a003752615ae66091cf8f495a60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08106",
    "kind": "arxiv",
    "version": 1
  }
}