Pith Number

pith:UF4CW4BA

pith:2017:UF4CW4BA2ZGZMJHPEYJ5R35DIT

not attested not anchored not stored refs pending

K\"ahler-Ricci flow of cusp singularities on quasi projective varieties

Albert Chau, Ka-Fai Li, Liangming Shen

arxiv:1708.02717 v2 · 2017-08-09 · 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{UF4CW4BA2ZGZMJHPEYJ5R35DIT}

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	2026-05-18T00:07:50.635941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1782b7020d64d9624ef2613d8efa344ccd8a9e3e7424b5a7141352e5fee0a00

Aliases

arxiv: 1708.02717 · arxiv_version: 1708.02717v2 · doi: 10.48550/arxiv.1708.02717 · pith_short_12: UF4CW4BA2ZGZ · pith_short_16: UF4CW4BA2ZGZMJHP · pith_short_8: UF4CW4BA

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/UF4CW4BA2ZGZMJHPEYJ5R35DIT \
  | 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: a1782b7020d64d9624ef2613d8efa344ccd8a9e3e7424b5a7141352e5fee0a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21ddbe3672131cec8bee20c24e466e48efb1f70e49306f5fa299ffd29a169ece",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-08-09T04:53:28Z",
    "title_canon_sha256": "b06c3f8da4477dd6d09c8405f1dfc987882b120fe524cbd02264c537410f1632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02717",
    "kind": "arxiv",
    "version": 2
  }
}