Pith Number

pith:O455DBGC

pith:2013:O455DBGC55KHWKRL6DGSEDVSYH

not attested not anchored not stored refs pending

A note on the uniqueness of quasi-Einstein metrics on $\Bbb{H}^{n}\times \Bbb{R}$

E. Ribeiro Jr, K. Bezerra

arxiv:1301.7737 v3 · 2013-01-31 · 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{O455DBGC55KHWKRL6DGSEDVSYH}

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	2026-05-18T03:16:51.252440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

773bd184c2ef547b2a2bf0cd220eb2c1d99bf91efe2f312fc8c276cd3ec62f07

Aliases

arxiv: 1301.7737 · arxiv_version: 1301.7737v3 · doi: 10.48550/arxiv.1301.7737 · pith_short_12: O455DBGC55KH · pith_short_16: O455DBGC55KHWKRL · pith_short_8: O455DBGC

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/O455DBGC55KHWKRL6DGSEDVSYH \
  | 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: 773bd184c2ef547b2a2bf0cd220eb2c1d99bf91efe2f312fc8c276cd3ec62f07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73231adb405403d9a48aa5e319851140d81ffa8b58394f46cfc9e7b82d8472cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-31T20:19:16Z",
    "title_canon_sha256": "137df735b52b6047aea7aa5044353050a862363c8864a009d34839759b7d5e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7737",
    "kind": "arxiv",
    "version": 3
  }
}