Pith Number

pith:NG55RDMK

pith:2014:NG55RDMKNNTKLJL6RD27C3XDEH

not attested not anchored not stored refs pending

Missing sets in rational parametrizations of surfaces of revolution

Carlos Villarino, David Sevilla, J. Rafael Sendra

arxiv:1410.5458 v1 · 2014-10-20 · math.AG · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NG55RDMKNNTKLJL6RD27C3XDEH}

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	2026-05-18T02:39:00.618258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69bbd88d8a6b66a5a57e88f5f16ee321c6ea50def606624b59e43fda08529330

Aliases

arxiv: 1410.5458 · arxiv_version: 1410.5458v1 · doi: 10.48550/arxiv.1410.5458 · pith_short_12: NG55RDMKNNTK · pith_short_16: NG55RDMKNNTKLJL6 · pith_short_8: NG55RDMK

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/NG55RDMKNNTKLJL6RD27C3XDEH \
  | 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: 69bbd88d8a6b66a5a57e88f5f16ee321c6ea50def606624b59e43fda08529330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d2902e6eca7a25af8642fdcc876ffb495daa83954893a162166638d59a79ce2",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-20T20:42:59Z",
    "title_canon_sha256": "3cd0e5a55e38c89e67ae5426a224949a7b5fb6f1aef4fac32666eff61359a361"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5458",
    "kind": "arxiv",
    "version": 1
  }
}