Pith Number

pith:BKSQJABF

pith:2016:BKSQJABFV46OL5NRY2CUHRX52O

not attested not anchored not stored refs pending

Ricci curvature of double manifolds via isoparametric foliations

Chao Qian, ChiaKuei Peng

arxiv:1601.03125 v1 · 2016-01-13 · 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{BKSQJABFV46OL5NRY2CUHRX52O}

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	2026-05-18T01:22:56.825499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aa5048025af3ce5f5b1c68543c6fdd38049d79818b21cdf5388b8eb3552871c

Aliases

arxiv: 1601.03125 · arxiv_version: 1601.03125v1 · doi: 10.48550/arxiv.1601.03125 · pith_short_12: BKSQJABFV46O · pith_short_16: BKSQJABFV46OL5NR · pith_short_8: BKSQJABF

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/BKSQJABFV46OL5NRY2CUHRX52O \
  | 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: 0aa5048025af3ce5f5b1c68543c6fdd38049d79818b21cdf5388b8eb3552871c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65dbd2527ca274906494d3d581b54e93b06a0420cf0a41b7abafb8eb20b6a5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-13T04:24:24Z",
    "title_canon_sha256": "cd21d6698ff91a2676501b51dd6984213946b70085297394ccf2553f0f66f4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03125",
    "kind": "arxiv",
    "version": 1
  }
}