Pith Number

pith:3EQDFJZC

pith:2017:3EQDFJZCWFLFEH4VBOGNOBLUVS

not attested not anchored not stored refs pending

Riemannian almost product manifolds generated by a circulant structure

Dimitar Razpopov, Dobrinka Gribacheva

arxiv:1703.07988 v1 · 2017-03-23 · 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{3EQDFJZCWFLFEH4VBOGNOBLUVS}

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	2026-05-18T00:48:04.176975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d92032a722b156521f950b8cd70574acb26ab85dce0b67b076724d570b7697a2

Aliases

arxiv: 1703.07988 · arxiv_version: 1703.07988v1 · doi: 10.48550/arxiv.1703.07988 · pith_short_12: 3EQDFJZCWFLF · pith_short_16: 3EQDFJZCWFLFEH4V · pith_short_8: 3EQDFJZC

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/3EQDFJZCWFLFEH4VBOGNOBLUVS \
  | 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: d92032a722b156521f950b8cd70574acb26ab85dce0b67b076724d570b7697a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d198e00bb96dd9361ecbc382d426306b095138d8d52f3ff9a9b995a4543e71f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-03-23T10:22:23Z",
    "title_canon_sha256": "751c88e148f2f93a3ef83e745630d04e8bc391b28c4f35622671ce9a9bf64c5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07988",
    "kind": "arxiv",
    "version": 1
  }
}