Pith Number

pith:3DAXXQWS

pith:2014:3DAXXQWSKOF5LKMRPD7HND6KXJ

not attested not anchored not stored refs pending

Ohsawa-Takegoshi extension theorem for compact K\"ahler manifolds and applications

Junyan Cao

arxiv:1404.6937 v2 · 2014-04-28 · 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{3DAXXQWSKOF5LKMRPD7HND6KXJ}

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	2026-05-18T00:33:53.573379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c17bc2d2538bd5a99178fe768fcaba7d476bb7fad187f48793fd96fe32d280

Aliases

arxiv: 1404.6937 · arxiv_version: 1404.6937v2 · doi: 10.48550/arxiv.1404.6937 · pith_short_12: 3DAXXQWSKOF5 · pith_short_16: 3DAXXQWSKOF5LKMR · pith_short_8: 3DAXXQWS

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/3DAXXQWSKOF5LKMRPD7HND6KXJ \
  | 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: d8c17bc2d2538bd5a99178fe768fcaba7d476bb7fad187f48793fd96fe32d280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c656404fdd7907a4706772628d3f53207ec182995e5c5d60fa81df14bac1900b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-04-28T11:35:12Z",
    "title_canon_sha256": "92def9ffab440c0b15b1935232d5ddc76b8b49f5417389eb793577be9f0866e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6937",
    "kind": "arxiv",
    "version": 2
  }
}