Pith Number

pith:4FKTSMXB

pith:2010:4FKTSMXBEJWCSFHEWOPTKTUSGH

not attested not anchored not stored refs pending

Almost K\"ahler manifolds of constant antiholomorphic sectional curvature

Ognian Kassabov

arxiv:1009.2712 v1 · 2010-09-14 · 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{4FKTSMXBEJWCSFHEWOPTKTUSGH}

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	2026-05-18T04:40:56.524204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1553932e1226c2914e4b39f354e9231f723995189774612e454b15bbd8670f4

Aliases

arxiv: 1009.2712 · arxiv_version: 1009.2712v1 · doi: 10.48550/arxiv.1009.2712 · pith_short_12: 4FKTSMXBEJWC · pith_short_16: 4FKTSMXBEJWCSFHE · pith_short_8: 4FKTSMXB

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/4FKTSMXBEJWCSFHEWOPTKTUSGH \
  | 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: e1553932e1226c2914e4b39f354e9231f723995189774612e454b15bbd8670f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7902773bfe95d5327aec61e912cd676db42470a8d1260a2ee5adc8e0fc31ee5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-09-14T16:35:22Z",
    "title_canon_sha256": "77d23510a0d1517cd3331de08f89f81d4e26ed985609237a177cd53895019b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2712",
    "kind": "arxiv",
    "version": 1
  }
}