Pith Number

pith:D52GMJLD

pith:2015:D52GMJLDIWYZIFOQOPX3ZN4VU4

not attested not anchored not stored refs pending

On rigid plane curves

Eugenii Shustin, Viktor S. Kulikov

arxiv:1501.03777 v2 · 2015-01-15 · 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{D52GMJLDIWYZIFOQOPX3ZN4VU4}

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	2026-05-18T01:37:49.174936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f7466256345b19415d073efbcb795a7229a3d19a4fcc27a294a0e491dd04c32

Aliases

arxiv: 1501.03777 · arxiv_version: 1501.03777v2 · doi: 10.48550/arxiv.1501.03777 · pith_short_12: D52GMJLDIWYZ · pith_short_16: D52GMJLDIWYZIFOQ · pith_short_8: D52GMJLD

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/D52GMJLDIWYZIFOQOPX3ZN4VU4 \
  | 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: 1f7466256345b19415d073efbcb795a7229a3d19a4fcc27a294a0e491dd04c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50be415c787ef5afd756b25fd44681721fc56185b6300a0348bbf3e409d86425",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-15T19:01:10Z",
    "title_canon_sha256": "dba1b74761befd5111d90867a244fa3584283f4cc84b06f64b1e055469cb408b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03777",
    "kind": "arxiv",
    "version": 2
  }
}