Pith Number

pith:PVEKW3LU

pith:2016:PVEKW3LUPBFENKDENBTZXMQDYV

not attested not anchored not stored refs pending

Positive neighborhoods of rational curves

M. Falla Luza, P. Sad

arxiv:1602.07445 v1 · 2016-02-24 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVEKW3LUPBFENKDENBTZXMQDYV}

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	2026-05-18T01:20:03.027355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d48ab6d74784a46a86468679bb203c55851e6bcbe40e8da2717c3c726ca970d

Aliases

arxiv: 1602.07445 · arxiv_version: 1602.07445v1 · doi: 10.48550/arxiv.1602.07445 · pith_short_12: PVEKW3LUPBFE · pith_short_16: PVEKW3LUPBFENKDE · pith_short_8: PVEKW3LU

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/PVEKW3LUPBFENKDENBTZXMQDYV \
  | 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: 7d48ab6d74784a46a86468679bb203c55851e6bcbe40e8da2717c3c726ca970d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b33a1850549a6b1cbad365e02bc0fa77d88ad185bfab9805340ce5f1406d1be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-02-24T09:33:42Z",
    "title_canon_sha256": "e3c7b1422deabe70604bb81ab872ca51dd530d70d47e2edda3348249723ce730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07445",
    "kind": "arxiv",
    "version": 1
  }
}