Pith Number

pith:26WSP5XR

pith:2017:26WSP5XR3XAMZHRX2AO3EIJKQD

not attested not anchored not stored refs pending

The affine quasi-Einstein Equation for homogeneous surfaces

Eduardo Garc\'ia-R\'io, Miguel Brozos-V\'azquez, Peter Gilkey, Xabier Valle-Regueiro

arxiv:1707.06304 v1 · 2017-07-19 · 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{26WSP5XR3XAMZHRX2AO3EIJKQD}

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	2026-05-18T00:39:54.194730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7ad27f6f1ddc0cc9e37d01db2212a80df37c38085881012139c0cbb88f46e74

Aliases

arxiv: 1707.06304 · arxiv_version: 1707.06304v1 · doi: 10.48550/arxiv.1707.06304 · pith_short_12: 26WSP5XR3XAM · pith_short_16: 26WSP5XR3XAMZHRX · pith_short_8: 26WSP5XR

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/26WSP5XR3XAMZHRX2AO3EIJKQD \
  | 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: d7ad27f6f1ddc0cc9e37d01db2212a80df37c38085881012139c0cbb88f46e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dde6f32972dac1575e5b9013a4fdbfd98b7b4082e7e3632834e85be2c4b282d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-07-19T21:29:06Z",
    "title_canon_sha256": "31d7e88fae70a1d24a27fe4dcd721e087ec242a93b770b3e5582475ab0af610e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06304",
    "kind": "arxiv",
    "version": 1
  }
}