Pith Number

pith:OA6PYU76

pith:2009:OA6PYU7642N7HT7HFATAVMQ6GR

not attested not anchored not stored refs pending

Gravity with extra dimensions and dark matter interpretation: Phenomenological example via Miyamoto-Nagai galaxy

C. H. Coimbra-Araujo, P. S. Letelier

arxiv:0909.2223 v2 · 2009-09-11 · 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{OA6PYU7642N7HT7HFATAVMQ6GR}

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	2026-05-18T02:11:48.816884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703cfc53fee69bf3cfe728260ab21e346c93e431eeab270874514670419fec70

Aliases

arxiv: 0909.2223 · arxiv_version: 0909.2223v2 · doi: 10.48550/arxiv.0909.2223 · pith_short_12: OA6PYU7642N7 · pith_short_16: OA6PYU7642N7HT7H · pith_short_8: OA6PYU76

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/OA6PYU7642N7HT7HFATAVMQ6GR \
  | 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: 703cfc53fee69bf3cfe728260ab21e346c93e431eeab270874514670419fec70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8760cd21e66ce59062e2a453afed041745a727b1a0b3ecfa2bc05bb635976e67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-11T17:34:55Z",
    "title_canon_sha256": "a3246d98e4f04e724bccd6607030c366786822f9ea831c79bacf4969fc852ebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2223",
    "kind": "arxiv",
    "version": 2
  }
}