Pith Number

pith:S2S6Q5CC

pith:2026:S2S6Q5CC646S6TQV6CTR5UXVVH

not attested not anchored not stored refs pending

Examples of Curvature Inhomogeneous Submanifolds with Constant Ricci Eigenvalues

Jianquan Ge, Yuyang Zhao

arxiv:2608.03519 v1 · 2026-08-04 · 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{S2S6Q5CC646S6TQV6CTR5UXVVH}

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	2026-08-05T01:36:01.138191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a5e87442f73d2f4e15f0a71ed2f5a9f6e92b2d43421703c2c7adb4178ccbb1

Aliases

arxiv: 2608.03519 · arxiv_version: 2608.03519v1 · doi: 10.48550/arxiv.2608.03519 · pith_short_12: S2S6Q5CC646S · pith_short_16: S2S6Q5CC646S6TQV · pith_short_8: S2S6Q5CC

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/S2S6Q5CC646S6TQV6CTR5UXVVH \
  | 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: 96a5e87442f73d2f4e15f0a71ed2f5a9f6e92b2d43421703c2c7adb4178ccbb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088c7e25be6d9f71e8004ec5e0b20c1ddc9a5bbfe54ff98d32d511e427dc84b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-08-04T12:03:57Z",
    "title_canon_sha256": "874144a9408b935cbf595f04e0bf52842604f8cae6a8a0a6a567217557d4382f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03519",
    "kind": "arxiv",
    "version": 1
  }
}