Pith Number

pith:7L5QQ6HU

pith:2015:7L5QQ6HUB2WFQ7ZFNHAR3NSLHQ

not attested not anchored not stored refs pending

Scattering by regular black holes: Planar massless scalar waves impinging upon a Bardeen black hole

Caio F. B. Macedo, Ednilton S. de Oliveira, Lu\'is C. B. Crispino

arxiv:1505.07014 v2 · 2015-05-26 · 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{7L5QQ6HUB2WFQ7ZFNHAR3NSLHQ}

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	2026-05-18T01:19:34.328257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafb0878f40eac587f2569c11db64b3c38aafeab815c16596e552a15c0de75e0

Aliases

arxiv: 1505.07014 · arxiv_version: 1505.07014v2 · doi: 10.48550/arxiv.1505.07014 · pith_short_12: 7L5QQ6HUB2WF · pith_short_16: 7L5QQ6HUB2WFQ7ZF · pith_short_8: 7L5QQ6HU

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/7L5QQ6HUB2WFQ7ZFNHAR3NSLHQ \
  | 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: fafb0878f40eac587f2569c11db64b3c38aafeab815c16596e552a15c0de75e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403d371dc4489491fa1f6ca75dab72267bdd296868da4696b1e5219607f450cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-05-26T15:36:20Z",
    "title_canon_sha256": "066498e446fe53d8d48309b83ccbf3ca54f2837df95d4d45bf7b852734aa8657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07014",
    "kind": "arxiv",
    "version": 2
  }
}