Pith Number

pith:GMY2ULVC

pith:2009:GMY2ULVCXRRF7UK5HWZANKBWII

not attested not anchored not stored refs pending

Construction of Einstein metrics by generalized Dehn filling

Richard H. Bamler

arxiv:0911.4730 v2 · 2009-11-24 · 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{GMY2ULVCXRRF7UK5HWZANKBWII}

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	2026-05-18T04:18:04.871129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3331aa2ea2bc625fd15d3db206a83642185227877d126dc07f16487521b7b284

Aliases

arxiv: 0911.4730 · arxiv_version: 0911.4730v2 · doi: 10.48550/arxiv.0911.4730 · pith_short_12: GMY2ULVCXRRF · pith_short_16: GMY2ULVCXRRF7UK5 · pith_short_8: GMY2ULVC

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/GMY2ULVCXRRF7UK5HWZANKBWII \
  | 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: 3331aa2ea2bc625fd15d3db206a83642185227877d126dc07f16487521b7b284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbdcb7a6078d5a36b11e80a760eed3de1e4ca14824b409b57eb962b2fc68d2ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-11-24T21:36:32Z",
    "title_canon_sha256": "073b82c29ffaf58c09abd78041faf172a24f70f4a06cfdb3b0ee8dae9dcdd455"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4730",
    "kind": "arxiv",
    "version": 2
  }
}