Pith Number

pith:BQCI3XZE

pith:2014:BQCI3XZEKX6ZQEWQEFLQRBJSBL

not attested not anchored not stored refs pending

Rigidity and infinitesimal deformability of Ricci solitons

Klaus Kroencke

arxiv:1408.6751 v2 · 2014-08-28 · 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{BQCI3XZEKX6ZQEWQEFLQRBJSBL}

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	2026-05-18T01:09:07.225896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c048ddf2455fd9812d021570885320add70b3de793273aec1d418c30ec7abf8

Aliases

arxiv: 1408.6751 · arxiv_version: 1408.6751v2 · doi: 10.48550/arxiv.1408.6751 · pith_short_12: BQCI3XZEKX6Z · pith_short_16: BQCI3XZEKX6ZQEWQ · pith_short_8: BQCI3XZE

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/BQCI3XZEKX6ZQEWQEFLQRBJSBL \
  | 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: 0c048ddf2455fd9812d021570885320add70b3de793273aec1d418c30ec7abf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c80796422c272f865b0787e9ab7cef9936597fbbe2ace92068e4e589f92c51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-28T15:28:13Z",
    "title_canon_sha256": "03cd2bd9c5d286267db9cfce80ca04ffb67b531c8f9eaa8c101de5c7190c0a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6751",
    "kind": "arxiv",
    "version": 2
  }
}