Pith Number

pith:UNUXVPUS

pith:2015:UNUXVPUSH3VNYYDOTPZ3RI62DA

not attested not anchored not stored refs pending

Spherically symmetric black holes in $f(R)$ gravity: Is geometric scalar hair supported ?

Luisa G. Jaime, Marcelo Salgado, Pedro Ca\~nate

arxiv:1509.01664 v1 · 2015-09-05 · gr-qc · astro-ph.HE · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNUXVPUSH3VNYYDOTPZ3RI62DA}

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	2026-05-18T01:10:52.495041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3697abe923eeadc606e9bf3b8a3da1801b7f3a1bda948fe19dc1123e8d29e26

Aliases

arxiv: 1509.01664 · arxiv_version: 1509.01664v1 · doi: 10.48550/arxiv.1509.01664 · pith_short_12: UNUXVPUSH3VN · pith_short_16: UNUXVPUSH3VNYYDO · pith_short_8: UNUXVPUS

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/UNUXVPUSH3VNYYDOTPZ3RI62DA \
  | 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: a3697abe923eeadc606e9bf3b8a3da1801b7f3a1bda948fe19dc1123e8d29e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c540f414ef1dbcd35e52dd514c3b14cbe0d3c68a06c5539312bd67323805679",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-05T05:31:41Z",
    "title_canon_sha256": "ebc9155a4fc6307c525e3904dc1a1013c4979fc5a3b97d1b6cd60e82d6bbdfe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01664",
    "kind": "arxiv",
    "version": 1
  }
}