Pith Number

pith:Y37Z6OLU

pith:2011:Y37Z6OLUTNHY5XHIWXQPHSXETC

not attested not anchored not stored refs pending

Embeddings of general curves in projective spaces: the range of the quadrics

Edoardo Ballico

arxiv:1109.0476 v1 · 2011-09-02 · 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{Y37Z6OLUTNHY5XHIWXQPHSXETC}

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	2026-05-18T04:14:15.556517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ff9f39749b4f8edce8b5e0f3cae49899634d3999b7729aeb8cbde8d12843fa

Aliases

arxiv: 1109.0476 · arxiv_version: 1109.0476v1 · doi: 10.48550/arxiv.1109.0476 · pith_short_12: Y37Z6OLUTNHY · pith_short_16: Y37Z6OLUTNHY5XHI · pith_short_8: Y37Z6OLU

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/Y37Z6OLUTNHY5XHIWXQPHSXETC \
  | 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: c6ff9f39749b4f8edce8b5e0f3cae49899634d3999b7729aeb8cbde8d12843fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e25227748f5fe942ee8952a62b1cda9b08ae35afd357c24a079be73b840ee78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-09-02T15:19:31Z",
    "title_canon_sha256": "9e03f094961f2f7d5dce2f76f39eea6db4ac4a5c0655625f6a84853b4265dc72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0476",
    "kind": "arxiv",
    "version": 1
  }
}