Pith Number

pith:HW2DPU7E

pith:2011:HW2DPU7EMNJKD3OROKIOXMPWF4

not attested not anchored not stored refs pending

Examples of algebraic Ricci solitons in the Pseudo-Riemannian case

Kensuke Onda

arxiv:1112.0424 v3 · 2011-12-02 · 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{HW2DPU7EMNJKD3OROKIOXMPWF4}

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	2026-05-18T03:59:37.934562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db437d3e46352a1edd17290ebb1f62f150706fadc539c6f0c135680e81e9342

Aliases

arxiv: 1112.0424 · arxiv_version: 1112.0424v3 · doi: 10.48550/arxiv.1112.0424 · pith_short_12: HW2DPU7EMNJK · pith_short_16: HW2DPU7EMNJKD3OR · pith_short_8: HW2DPU7E

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/HW2DPU7EMNJKD3OROKIOXMPWF4 \
  | 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: 3db437d3e46352a1edd17290ebb1f62f150706fadc539c6f0c135680e81e9342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ea85d68507ff16838adb2dcf6b77d612d29fa1ee37458fa799749729d104f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-12-02T10:56:44Z",
    "title_canon_sha256": "ddccca60f443194525071a0faab63deaf9ae031f22e6cc56a4472225a204ce34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0424",
    "kind": "arxiv",
    "version": 3
  }
}