Pith Number

pith:C6CPXGOP

pith:2018:C6CPXGOP7WGTQOLW7QJV6EAHKH

not attested not anchored not stored refs pending

Solutions to the affine quasi-Einstein equation for homogeneous surfaces

E. Garc\'ia-R\'io, M. Brozos-V\'azquez, P. Gilkey, X. Valle-Regueiro

arxiv:1802.07953 v1 · 2018-02-22 · 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{C6CPXGOP7WGTQOLW7QJV6EAHKH}

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	2026-05-18T00:22:48.534023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1784fb99cffd8d383976fc135f100751fd92390d5c9511d1a9b6903ec5a69b30

Aliases

arxiv: 1802.07953 · arxiv_version: 1802.07953v1 · doi: 10.48550/arxiv.1802.07953 · pith_short_12: C6CPXGOP7WGT · pith_short_16: C6CPXGOP7WGTQOLW · pith_short_8: C6CPXGOP

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/C6CPXGOP7WGTQOLW7QJV6EAHKH \
  | 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: 1784fb99cffd8d383976fc135f100751fd92390d5c9511d1a9b6903ec5a69b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6415070e34faeedfd932427ac1227438afa3d812288e8eedb4671dc27d6dc6b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-02-22T09:43:23Z",
    "title_canon_sha256": "20f60690a2a82ff18db3d295e581329b3451c8a9f7eb1a8438bd47637e010016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07953",
    "kind": "arxiv",
    "version": 1
  }
}