Pith Number

pith:DNVIM6P4

pith:2009:DNVIM6P4WMF2WNQTCII7F5M636

not attested not anchored not stored refs pending

Static spacetimes with prescribed multipole moments; a proof of a conjecture by Geroch

Magnus Herberthson

arxiv:0906.4247 v1 · 2009-06-23 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNVIM6P4WMF2WNQTCII7F5M636}

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	2026-05-18T02:13:13.167468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b6a8679fcb30bab36131211f2f59edf8ac6b62d25472c2dc15817536f4d7449

Aliases

arxiv: 0906.4247 · arxiv_version: 0906.4247v1 · doi: 10.48550/arxiv.0906.4247 · pith_short_12: DNVIM6P4WMF2 · pith_short_16: DNVIM6P4WMF2WNQT · pith_short_8: DNVIM6P4

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/DNVIM6P4WMF2WNQTCII7F5M636 \
  | 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: 1b6a8679fcb30bab36131211f2f59edf8ac6b62d25472c2dc15817536f4d7449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8f6cefcc2fe2c8f9122664c1e765099159c5b7bf41cb96bffdf1a12ca8fb1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-23T13:03:05Z",
    "title_canon_sha256": "525a7d1bcf267ea0a4a297eba976cfd4ca586e6a4b44d64d1b3e2413df7ffaa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4247",
    "kind": "arxiv",
    "version": 1
  }
}