Pith Number

pith:QF4QTP2A

pith:2011:QF4QTP2AWKGKD7STBLR47G7XQQ

not attested not anchored not stored refs pending

An Ohsawa-Takegoshi theorem on compact K\"ahler manifolds

Li Yi

arxiv:1104.2406 v2 · 2011-04-13 · 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{QF4QTP2AWKGKD7STBLR47G7XQQ}

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	2026-05-18T04:24:06.950947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

817909bf40b28ca1fe530ae3cf9bf7842057d2d72dc9f587ad0f727d732be058

Aliases

arxiv: 1104.2406 · arxiv_version: 1104.2406v2 · doi: 10.48550/arxiv.1104.2406 · pith_short_12: QF4QTP2AWKGK · pith_short_16: QF4QTP2AWKGKD7ST · pith_short_8: QF4QTP2A

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/QF4QTP2AWKGKD7STBLR47G7XQQ \
  | 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: 817909bf40b28ca1fe530ae3cf9bf7842057d2d72dc9f587ad0f727d732be058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a158a1c2d5f5920724745d0d04b49b0ae7f74dd78591584ebd5b8e9bd5f2272b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-13T08:24:11Z",
    "title_canon_sha256": "8caef0a0ce33bf8e4fbac57d65ba255958c18e5d4a8c943c33b957d0ccd9879e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2406",
    "kind": "arxiv",
    "version": 2
  }
}