Pith Number

pith:RZGTNI34

pith:2009:RZGTNI34IXHAL6U7BTW775P2AB

not attested not anchored not stored refs pending

Almost quarter-pinched K\"ahler metrics and Chern numbers

Harish Seshadri, Martin Deraux (IF)

arxiv:0912.3726 v1 · 2009-12-18 · 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{RZGTNI34IXHAL6U7BTW775P2AB}

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	2026-05-18T04:24:35.288245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4d36a37c45ce05fa9f0cedfff5fa0048c7d1b3d6def8257de1e03facb1cebc

Aliases

arxiv: 0912.3726 · arxiv_version: 0912.3726v1 · doi: 10.48550/arxiv.0912.3726 · pith_short_12: RZGTNI34IXHA · pith_short_16: RZGTNI34IXHAL6U7 · pith_short_8: RZGTNI34

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/RZGTNI34IXHAL6U7BTW775P2AB \
  | 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: 8e4d36a37c45ce05fa9f0cedfff5fa0048c7d1b3d6def8257de1e03facb1cebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61bbdaf683e3bc87e0605a6d522b65328fb5f85a4f64f773433919f2c40d4a1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-12-18T16:23:02Z",
    "title_canon_sha256": "d8a0e45f84906d71d43c0107af037ea2c76e2a0c41770b3ffa34f66ebbc9adcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3726",
    "kind": "arxiv",
    "version": 1
  }
}