Pith Number

pith:DBTV5AUK

pith:2018:DBTV5AUKWSLQBSZF5O7DQSE4RT

not attested not anchored not stored refs pending

Curves in Lorentz-Minkowski plane with curvature depending on their position

Ildefonso Castro, Ildefonso Castro-Infantes, Jes\'us Castro-Infantes

arxiv:1806.09187 v1 · 2018-06-24 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBTV5AUKWSLQBSZF5O7DQSE4RT}

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	2026-05-18T00:12:30.054736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18675e828ab49700cb25ebbe38489c8ce1b2e20103f6c9ba75f5025362d55480

Aliases

arxiv: 1806.09187 · arxiv_version: 1806.09187v1 · doi: 10.48550/arxiv.1806.09187 · pith_short_12: DBTV5AUKWSLQ · pith_short_16: DBTV5AUKWSLQBSZF · pith_short_8: DBTV5AUK

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/DBTV5AUKWSLQBSZF5O7DQSE4RT \
  | 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: 18675e828ab49700cb25ebbe38489c8ce1b2e20103f6c9ba75f5025362d55480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "557e0d67ceb09323c0b973fb42f25c09b76dc169b97c08d6ca62c3760f211c22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-06-24T18:00:06Z",
    "title_canon_sha256": "81b7ecbccd085564fd211574ded328265ca01babdd15314f6874bc64275cca36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09187",
    "kind": "arxiv",
    "version": 1
  }
}