Pith Number

pith:MJQZRBAR

pith:2017:MJQZRBARHKFWVHC5GFTVCEJHTJ

not attested not anchored not stored refs pending

The Ricci flow on solvmanifolds of real type

Christoph B\"ohm, Ramiro A. Lafuente

arxiv:1707.04186 v2 · 2017-07-13 · 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{MJQZRBARHKFWVHC5GFTVCEJHTJ}

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	2026-05-18T00:37:41.888226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62619884113a8b6a9c5d31675111279a5434bba9276dddedc74e8c3a0c8185d3

Aliases

arxiv: 1707.04186 · arxiv_version: 1707.04186v2 · doi: 10.48550/arxiv.1707.04186 · pith_short_12: MJQZRBARHKFW · pith_short_16: MJQZRBARHKFWVHC5 · pith_short_8: MJQZRBAR

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/MJQZRBARHKFWVHC5GFTVCEJHTJ \
  | 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: 62619884113a8b6a9c5d31675111279a5434bba9276dddedc74e8c3a0c8185d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6866385c939c4b5865c89da3c9e05909201d6c010a8ec7954495e30f5c59a11c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-07-13T15:53:31Z",
    "title_canon_sha256": "e933ed7a7b8265134bef7206d47ba8c34a3d5719b9ff2f90815b5df30fc27977"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04186",
    "kind": "arxiv",
    "version": 2
  }
}