pith. sign in
Pith Number

pith:XHRW24RV

pith:2016:XHRW24RVN5FNHRJF5HMNXYDCEE
not attested not anchored not stored refs pending

On algebraic surfaces associated to line arrangements

Zhenjian Wang

arxiv:1612.06730 v2 · 2016-12-20 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XHRW24RVN5FNHRJF5HMNXYDCEE}

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 2026-05-18T00:51:33.714748Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b9e36d72356f4ad3c525e9d8dbe06221174301b8227276cdd0921326e1c3ef42

Aliases

arxiv: 1612.06730 · arxiv_version: 1612.06730v2 · doi: 10.48550/arxiv.1612.06730 · pith_short_12: XHRW24RVN5FN · pith_short_16: XHRW24RVN5FNHRJF · pith_short_8: XHRW24RV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XHRW24RVN5FNHRJF5HMNXYDCEE \
  | 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: b9e36d72356f4ad3c525e9d8dbe06221174301b8227276cdd0921326e1c3ef42
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "039046b087d32f3f285d327b91ddedae3bd24ffb05475c1f635502201d308f3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-12-20T16:13:53Z",
    "title_canon_sha256": "731886df142d88dce7acdf62c8b96c888f2d1bb27597a9db9c7e57881e7287c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06730",
    "kind": "arxiv",
    "version": 2
  }
}