Pith Number

pith:MEGTS5VU

pith:2012:MEGTS5VULGSEGBEJ5D5G7S3XEL

not attested not anchored not stored refs pending

Gradient Einstein solitons

Giovanni Catino, Lorenzo Mazzieri

arxiv:1201.6620 v5 · 2012-01-31 · 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{MEGTS5VULGSEGBEJ5D5G7S3XEL}

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	2026-05-18T01:21:39.856672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

610d3976b459a4430489e8fa6fcb7722f893dc0244aa5fbdaee2a6e98ed8eeef

Aliases

arxiv: 1201.6620 · arxiv_version: 1201.6620v5 · doi: 10.48550/arxiv.1201.6620 · pith_short_12: MEGTS5VULGSE · pith_short_16: MEGTS5VULGSEGBEJ · pith_short_8: MEGTS5VU

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/MEGTS5VULGSEGBEJ5D5G7S3XEL \
  | 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: 610d3976b459a4430489e8fa6fcb7722f893dc0244aa5fbdaee2a6e98ed8eeef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "073655114680b41d3b928375c44c65ee577771c1f76e219b1a89a506cc15595c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-01-31T17:10:13Z",
    "title_canon_sha256": "a929e0db53d4da0f6f9cb6dd697ce3430b7f779f774cbacc8f19ce7409effdba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6620",
    "kind": "arxiv",
    "version": 5
  }
}