Pith Number

pith:ZJG5Z24W

pith:2017:ZJG5Z24WS5WPPLEOKAQOWHGSED

not attested not anchored not stored refs pending

Sanya lectures : geometry of spherical varieties

Nicolas Perrin

arxiv:1705.10204 v1 · 2017-05-29 · 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{ZJG5Z24WS5WPPLEOKAQOWHGSED}

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	2026-05-18T00:43:31.717909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca4ddceb96976cf7ac8e5020eb1cd220d47c6f8c2a40c6043dba0eb0f60387ca

Aliases

arxiv: 1705.10204 · arxiv_version: 1705.10204v1 · doi: 10.48550/arxiv.1705.10204 · pith_short_12: ZJG5Z24WS5WP · pith_short_16: ZJG5Z24WS5WPPLEO · pith_short_8: ZJG5Z24W

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/ZJG5Z24WS5WPPLEOKAQOWHGSED \
  | 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: ca4ddceb96976cf7ac8e5020eb1cd220d47c6f8c2a40c6043dba0eb0f60387ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d95046f43361b1dc286c1d723341baea8d025525498c8c19807b9741c33407e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-29T14:10:18Z",
    "title_canon_sha256": "93a84deb6c8c6f003bfa1763d07a0b1c400a881e8c694b2f9aceb3bec060805e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10204",
    "kind": "arxiv",
    "version": 1
  }
}