Pith Number

pith:TZFQXCGV

pith:2011:TZFQXCGVJPIT7ECNJG3NYP5TT4

not attested not anchored not stored refs pending

Some geometric analysis on generic Ricci solitons

Marco Rigoli, Michele Rimoldi, Paolo Mastrolia

arxiv:1107.2829 v2 · 2011-07-14 · 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{TZFQXCGVJPIT7ECNJG3NYP5TT4}

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	2026-05-18T00:01:01.094096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e4b0b88d54bd13f904d49b6dc3fb39f2e18d54c89c796d73f82def1184a4c32

Aliases

arxiv: 1107.2829 · arxiv_version: 1107.2829v2 · doi: 10.48550/arxiv.1107.2829 · pith_short_12: TZFQXCGVJPIT · pith_short_16: TZFQXCGVJPIT7ECN · pith_short_8: TZFQXCGV

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/TZFQXCGVJPIT7ECNJG3NYP5TT4 \
  | 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: 9e4b0b88d54bd13f904d49b6dc3fb39f2e18d54c89c796d73f82def1184a4c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a064341cf18ee8db6985a4e5fa40470bdf6492ca19897acd0b255ae3b2782f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-07-14T14:01:54Z",
    "title_canon_sha256": "0b662963fb2aeedb4ad8eeea96d6287f3f791a4b99f105b4724060eb33033eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2829",
    "kind": "arxiv",
    "version": 2
  }
}