Pith Number

pith:KZJZPTCY

pith:2015:KZJZPTCYOYKHOOJDO4OAPTQTLL

not attested not anchored not stored refs pending

Deformation Classification of Typical Configurations of 7 Points in the Real Projective Plane

Remziye Arzu Zabun, Sergey Finashin

arxiv:1502.00693 v4 · 2015-02-03 · 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{KZJZPTCYOYKHOOJDO4OAPTQTLL}

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	2026-05-18T01:36:13.606563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565397cc587614773923771c07ce135ac3880f6278677a38c810d39d240d222b

Aliases

arxiv: 1502.00693 · arxiv_version: 1502.00693v4 · doi: 10.48550/arxiv.1502.00693 · pith_short_12: KZJZPTCYOYKH · pith_short_16: KZJZPTCYOYKHOOJD · pith_short_8: KZJZPTCY

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/KZJZPTCYOYKHOOJDO4OAPTQTLL \
  | 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: 565397cc587614773923771c07ce135ac3880f6278677a38c810d39d240d222b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029b548365dd5c08f10244cc58699d34db6ce5af2b1f713c5a90ab042e4fd7d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-03T00:46:41Z",
    "title_canon_sha256": "9371736cbedd2abc379ab4f1b274df9c7eba6770ce3241601d75dedeeeefdf49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00693",
    "kind": "arxiv",
    "version": 4
  }
}