Pith Number

pith:YGJVBKEP

pith:2013:YGJVBKEP4WVHZDZ5CLISXYE62J

not attested not anchored not stored refs pending

The K\"ahler metric of a blow-up

Dmitri Bykov

arxiv:1307.2816 v1 · 2013-07-10 · hep-th · gr-qc · 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{YGJVBKEP4WVHZDZ5CLISXYE62J}

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	2026-05-18T03:18:50.353476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19350a88fe5aa7c8f3d12d12be09ed26d0054b32db6d70fae925b8a82abd0fe

Aliases

arxiv: 1307.2816 · arxiv_version: 1307.2816v1 · doi: 10.48550/arxiv.1307.2816 · pith_short_12: YGJVBKEP4WVH · pith_short_16: YGJVBKEP4WVHZDZ5 · pith_short_8: YGJVBKEP

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/YGJVBKEP4WVHZDZ5CLISXYE62J \
  | 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: c19350a88fe5aa7c8f3d12d12be09ed26d0054b32db6d70fae925b8a82abd0fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceddd35cf6cd0e4d7a6ff06e7460da0564d5a2535491483cc16c4cc70cd9d17f",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-10T15:00:56Z",
    "title_canon_sha256": "2ca1672d90f9441db64c4533ffb5f5b806316e37add7016dff36a2089cd70d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2816",
    "kind": "arxiv",
    "version": 1
  }
}