Pith Number

pith:UVD4BOQK

pith:2014:UVD4BOQKGGGWM66HD5PHJPU4FY

not attested not anchored not stored refs pending

On the modified Futaki invariant of complete intersections in projective spaces

Ryosuke Takahashi

arxiv:1410.4891 v2 · 2014-10-18 · 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{UVD4BOQKGGGWM66HD5PHJPU4FY}

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	2026-05-18T01:12:40.677662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a547c0ba0a318d667bc71f5e74be9c2e3e244c8c0ed93adae4a38e951638d4e1

Aliases

arxiv: 1410.4891 · arxiv_version: 1410.4891v2 · doi: 10.48550/arxiv.1410.4891 · pith_short_12: UVD4BOQKGGGW · pith_short_16: UVD4BOQKGGGWM66H · pith_short_8: UVD4BOQK

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/UVD4BOQKGGGWM66HD5PHJPU4FY \
  | 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: a547c0ba0a318d667bc71f5e74be9c2e3e244c8c0ed93adae4a38e951638d4e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "246fe3a6781542a6b41fb0485276477c3e486cc1a84e5d99e85ba6886c5dcfcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-10-18T01:06:33Z",
    "title_canon_sha256": "761469cc45ec8199790c59d927412f95a528c7c030354bbf8a2ea0dc564eeb1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4891",
    "kind": "arxiv",
    "version": 2
  }
}