Pith Number

pith:RSPCPIGX

pith:2026:RSPCPIGXUUMZL5AWCKF3H7DWUD

not attested not anchored not stored refs pending

Hypersurfaces with Constant Ricci Eigenvalues in Real Space Forms

Jianquan Ge, Yuyang Zhao

arxiv:2606.13455 v1 · 2026-06-11 · 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{RSPCPIGXUUMZL5AWCKF3H7DWUD}

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	2026-06-12T01:10:03.429816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c9e27a0d7a51995f416128bb3fc76a0c7384402e7865d222d9b60b504f8ec49

Aliases

arxiv: 2606.13455 · arxiv_version: 2606.13455v1 · doi: 10.48550/arxiv.2606.13455 · pith_short_12: RSPCPIGXUUMZ · pith_short_16: RSPCPIGXUUMZL5AW · pith_short_8: RSPCPIGX

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/RSPCPIGXUUMZL5AWCKF3H7DWUD \
  | 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: 8c9e27a0d7a51995f416128bb3fc76a0c7384402e7865d222d9b60b504f8ec49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb83c042013fdcd105116b7825877601bf34e61c120d840623a15f0cd2a768d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-11T15:12:59Z",
    "title_canon_sha256": "ac922db5e39c0cf52425265c6a1b30ed49f03a458d93ff69cd2a0069a4d8793d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13455",
    "kind": "arxiv",
    "version": 1
  }
}