Pith Number

pith:NU6CIQHX

pith:2016:NU6CIQHXOLZ2ZIEZX5HVIA4YVY

not attested not anchored not stored refs pending

On the computation of the straight lines contained in a rational surface

Jorge Caravantes, Juan Gerardo Alc\'azar

arxiv:1603.03959 v3 · 2016-03-12 · 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{NU6CIQHXOLZ2ZIEZX5HVIA4YVY}

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	2026-05-18T00:24:39.999131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3c2440f772f3aca099bf4f540398ae35926050baef1b555fb99e6a1f50fbe8

Aliases

arxiv: 1603.03959 · arxiv_version: 1603.03959v3 · doi: 10.48550/arxiv.1603.03959 · pith_short_12: NU6CIQHXOLZ2 · pith_short_16: NU6CIQHXOLZ2ZIEZ · pith_short_8: NU6CIQHX

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/NU6CIQHXOLZ2ZIEZX5HVIA4YVY \
  | 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: 6d3c2440f772f3aca099bf4f540398ae35926050baef1b555fb99e6a1f50fbe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271b70d497abf28b166632691ddc8e8f8665115cc9de50d22a9909233ba9642c",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-03-12T19:59:49Z",
    "title_canon_sha256": "1fabfe77341cb4bc69602b9a04644e6b500e33aaa6ee1c72fdcdbd2c6c0bd528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03959",
    "kind": "arxiv",
    "version": 3
  }
}