Pith Number

pith:HDODAZBN

pith:2019:HDODAZBNCFDZRWAJ53S6FKMYHG

not attested not anchored not stored refs pending

Existence of Kahler-Ricci solitons on smoothable Q-Fano varities

Yan Li

arxiv:1908.10091 v1 · 2019-08-27 · 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{HDODAZBNCFDZRWAJ53S6FKMYHG}

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	2026-07-04T23:59:53.835897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38dc30642d114798d809eee5e2a99839854aa411c4b15ad672ef9d00f144a59d

Aliases

arxiv: 1908.10091 · arxiv_version: 1908.10091v1 · doi: 10.48550/arxiv.1908.10091 · pith_short_12: HDODAZBNCFDZ · pith_short_16: HDODAZBNCFDZRWAJ · pith_short_8: HDODAZBN

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/HDODAZBNCFDZRWAJ53S6FKMYHG \
  | 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: 38dc30642d114798d809eee5e2a99839854aa411c4b15ad672ef9d00f144a59d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2103a72b7f828d83f16918dd71f0af50716b0ac8a1531b81b2529b6f1c7e4f25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-27T09:08:56Z",
    "title_canon_sha256": "82bf199bb2a196a49967e1a9843767bcaa872ac35a6500cff9b0bb0e93c882e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10091",
    "kind": "arxiv",
    "version": 1
  }
}