Pith Number

pith:RFMBUBVW

pith:2011:RFMBUBVWBVH6JRO6LH4APJ355G

not attested not anchored not stored refs pending

An Osserman-type condition on $g.f.f$-manifolds with Lorentz metric

Letizia Brunetti

arxiv:1106.6317 v2 · 2011-06-30 · 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{RFMBUBVWBVH6JRO6LH4APJ355G}

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	2026-05-18T03:44:36.314954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89581a06b60d4fe4c5de59f807a77de98e016b2ad7caee468e8ea312e0b0c705

Aliases

arxiv: 1106.6317 · arxiv_version: 1106.6317v2 · doi: 10.48550/arxiv.1106.6317 · pith_short_12: RFMBUBVWBVH6 · pith_short_16: RFMBUBVWBVH6JRO6 · pith_short_8: RFMBUBVW

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/RFMBUBVWBVH6JRO6LH4APJ355G \
  | 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: 89581a06b60d4fe4c5de59f807a77de98e016b2ad7caee468e8ea312e0b0c705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be5d341d3314808ad1304c421ec8e9885dcef9862e7004e893d31a08e0b395a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-06-30T18:00:32Z",
    "title_canon_sha256": "5e16f11ba55050357892b620ddf3af319d19f22f93c8d844f691ea78b14ed9a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.6317",
    "kind": "arxiv",
    "version": 2
  }
}