Pith Number

pith:GIE62VYO

pith:2008:GIE62VYOAUY4DDJLLG6IK7ORL3

not attested not anchored not stored refs pending

Curvature structure of self-dual 4-manifolds

Iva Stavrov, Novica Blazic, Peter Gilkey, Stana Nikcevic

arxiv:0808.2799 v1 · 2008-08-20 · 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{GIE62VYOAUY4DDJLLG6IK7ORL3}

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	2026-05-18T02:15:42.995215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3209ed570e0531c18d2b59bc857dd15edeee5a101a3cdd1153db5f6f469f1705

Aliases

arxiv: 0808.2799 · arxiv_version: 0808.2799v1 · doi: 10.48550/arxiv.0808.2799 · pith_short_12: GIE62VYOAUY4 · pith_short_16: GIE62VYOAUY4DDJL · pith_short_8: GIE62VYO

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/GIE62VYOAUY4DDJLLG6IK7ORL3 \
  | 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: 3209ed570e0531c18d2b59bc857dd15edeee5a101a3cdd1153db5f6f469f1705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13838866e14912edc5eb157549173b5119acd15f7e84c1f20f9e058b2cead205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-08-20T18:47:47Z",
    "title_canon_sha256": "abd8f41bf5d08c112c584be0aa0867fa3ab0493228b71d08198d67cc21a54eaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2799",
    "kind": "arxiv",
    "version": 1
  }
}