Pith Number

pith:CW4B5TZZ

pith:2015:CW4B5TZZNJ5HFRQ3ZHN2HEMZM4

not attested not anchored not stored refs pending

On the Problem of Detecting When Two Implicit Plane Algebraic Curves Are Similar

Carlos Hermosa, Gema M. Diaz-Toca, Juan Gerardo Alc\'azar

arxiv:1505.06095 v1 · 2015-05-22 · 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{CW4B5TZZNJ5HFRQ3ZHN2HEMZM4}

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	2026-05-18T02:03:49.155572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b81ecf396a7a72c61bc9dba39199673ce6624ba216dac85f0a84ca2a48105f

Aliases

arxiv: 1505.06095 · arxiv_version: 1505.06095v1 · doi: 10.48550/arxiv.1505.06095 · pith_short_12: CW4B5TZZNJ5H · pith_short_16: CW4B5TZZNJ5HFRQ3 · pith_short_8: CW4B5TZZ

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/CW4B5TZZNJ5HFRQ3ZHN2HEMZM4 \
  | 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: 15b81ecf396a7a72c61bc9dba39199673ce6624ba216dac85f0a84ca2a48105f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "415962513291ba33b09c4cd448e27f887a9afa4e3cf8b1850517e708af87ba14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-22T14:29:31Z",
    "title_canon_sha256": "d819f70df9249abe42709ac535d00a914977f896fb563db0a4e9940369ddd2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06095",
    "kind": "arxiv",
    "version": 1
  }
}