Pith Number

pith:RNOJUJ2M

pith:2009:RNOJUJ2MVAP4N5BVI7HGVD63T6

not attested not anchored not stored refs pending

Energy Distribution in f(R) Gravity

M. Farasat Shamir, M. Sharif

arxiv:0912.3632 v1 · 2009-12-18 · 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{RNOJUJ2MVAP4N5BVI7HGVD63T6}

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	2026-05-18T02:33:56.013220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5c9a274ca81fc6f43547ce6a8fdb9f97b96dc5db270e0bfa3d1fc1ab67df76

Aliases

arxiv: 0912.3632 · arxiv_version: 0912.3632v1 · doi: 10.48550/arxiv.0912.3632 · pith_short_12: RNOJUJ2MVAP4 · pith_short_16: RNOJUJ2MVAP4N5BV · pith_short_8: RNOJUJ2M

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/RNOJUJ2MVAP4N5BVI7HGVD63T6 \
  | 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: 8b5c9a274ca81fc6f43547ce6a8fdb9f97b96dc5db270e0bfa3d1fc1ab67df76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1273405e087a9c359d3e62322fca582d64a06e7f2660a5ec059e4776f1727343",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-12-18T10:31:24Z",
    "title_canon_sha256": "21945deba0fa5f9fc51fd46bdf00273a4c0c3b42ea83983c543c49c1f51d0699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3632",
    "kind": "arxiv",
    "version": 1
  }
}