Pith Number

pith:BEMVPV63

pith:2016:BEMVPV63EXI7IQG5ZVDOS533GW

not attested not anchored not stored refs pending

On noncollapsed almost Ricci-flat 4-manifolds

John Lott, Vitali Kapovitch

arxiv:1606.09041 v3 · 2016-06-29 · 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{BEMVPV63EXI7IQG5ZVDOS533GW}

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	2026-05-18T00:32:55.610850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

091957d7db25d1f440ddcd46e9777b359f48f07ee3e6d6a7c0e9eea2adfc6aee

Aliases

arxiv: 1606.09041 · arxiv_version: 1606.09041v3 · doi: 10.48550/arxiv.1606.09041 · pith_short_12: BEMVPV63EXI7 · pith_short_16: BEMVPV63EXI7IQG5 · pith_short_8: BEMVPV63

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/BEMVPV63EXI7IQG5ZVDOS533GW \
  | 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: 091957d7db25d1f440ddcd46e9777b359f48f07ee3e6d6a7c0e9eea2adfc6aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d318c6cfb34ae8dd5e1102b01c6456359698708b137960a5e5554f38ea7a9fee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-06-29T10:57:26Z",
    "title_canon_sha256": "d0bea060cd7f699ba32aced1f72318e41745479cd589b90ef1dc524d8f903e25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09041",
    "kind": "arxiv",
    "version": 3
  }
}