Pith Number

pith:CPQ3NNNQ

pith:2015:CPQ3NNNQAP67DT6JRUMFQU5S2T

not attested not anchored not stored refs pending

Regular space-like hypersurfaces in $\mathbb{S}^{m+1}_{1}$ with parallel para-Blaschke tensors

Hongru Song, Xingxiao Li

arxiv:1511.03261 v1 · 2015-11-10 · 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{CPQ3NNNQAP67DT6JRUMFQU5S2T}

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	2026-05-18T01:27:15.881745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e1b6b5b003fdf1cfc98d185853b2d4e5a87177497f44b99d8cefa80a7c5b01

Aliases

arxiv: 1511.03261 · arxiv_version: 1511.03261v1 · doi: 10.48550/arxiv.1511.03261 · pith_short_12: CPQ3NNNQAP67 · pith_short_16: CPQ3NNNQAP67DT6J · pith_short_8: CPQ3NNNQ

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/CPQ3NNNQAP67DT6JRUMFQU5S2T \
  | 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: 13e1b6b5b003fdf1cfc98d185853b2d4e5a87177497f44b99d8cefa80a7c5b01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e2b944803cce7eb51f9b9020e0d014fcb21dd1bd455fa2bc5431f01f7fb89d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-11-10T03:34:29Z",
    "title_canon_sha256": "026fa58b3abfd846e94f361d33d2ce15ec24a6d05edd490e85c9cdfbb017fa0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03261",
    "kind": "arxiv",
    "version": 1
  }
}