Pith Number

pith:BOK6SGAI

pith:2011:BOK6SGAIYGZBMNO646ERWTJEVM

not attested not anchored not stored refs pending

Rigidity and stability of Einstein metrics for quadratic curvature functionals

Jeff Viaclovsky, Matthew Gursky

arxiv:1105.4648 v2 · 2011-05-23 · 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{BOK6SGAIYGZBMNO646ERWTJEVM}

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	2026-05-18T03:27:33.162530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b95e91808c1b21635dee7891b4d24ab00ee47694ef0166c3bde8d6703043e36

Aliases

arxiv: 1105.4648 · arxiv_version: 1105.4648v2 · doi: 10.48550/arxiv.1105.4648 · pith_short_12: BOK6SGAIYGZB · pith_short_16: BOK6SGAIYGZBMNO6 · pith_short_8: BOK6SGAI

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/BOK6SGAIYGZBMNO646ERWTJEVM \
  | 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: 0b95e91808c1b21635dee7891b4d24ab00ee47694ef0166c3bde8d6703043e36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1898309e83ba1dfc875b20a33b098bd40da34eca843d68dcad4568a67873546",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-23T22:22:01Z",
    "title_canon_sha256": "176c8fdc39592beb03af24a0e8029df7e0e9bd8a38c007124b02287f16ac7424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4648",
    "kind": "arxiv",
    "version": 2
  }
}