Pith Number

pith:PP5I4V4D

pith:2005:PP5I4V4DWR7KRTQ2SDM5EPWYWB

not attested not anchored not stored refs pending

Gravitational Instantons from Gauge Theory

Hyun Seok Yang, Mario Salizzoni

arxiv:hep-th/0512215 v3 · 2005-12-19 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PP5I4V4DWR7KRTQ2SDM5EPWYWB}

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	2026-07-04T14:52:11.022578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bfa8e5783b47ea8ce1a90d9d23ed8b04761ed1a3cc34f64bb33fd64dcae3378

Aliases

arxiv: hep-th/0512215 · arxiv_version: hep-th/0512215v3 · doi: 10.48550/arxiv.hep-th/0512215 · pith_short_12: PP5I4V4DWR7K · pith_short_16: PP5I4V4DWR7KRTQ2 · pith_short_8: PP5I4V4D

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/PP5I4V4DWR7KRTQ2SDM5EPWYWB \
  | 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: 7bfa8e5783b47ea8ce1a90d9d23ed8b04761ed1a3cc34f64bb33fd64dcae3378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f83ec578851b994b401ca8545468aaccd7c8c56bdd13b6a2915beb3309a9749a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-12-19T16:18:51Z",
    "title_canon_sha256": "16bd39e578b09b4ddda048735302fa9ca4a8220bf4b2b4baafb7ee6949858c60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0512215",
    "kind": "arxiv",
    "version": 3
  }
}