Pith Number

pith:2AR5MSWC

pith:2015:2AR5MSWCNEWYVFNPCKDTBW4QMV

not attested not anchored not stored refs pending

Absorption by dirty black holes: null geodesics and scalar waves

Caio F. B. Macedo, Lu\'is C. B. Crispino, Luiz C. S. Leite

arxiv:1511.08781 v2 · 2015-11-27 · 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{2AR5MSWCNEWYVFNPCKDTBW4QMV}

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	2026-05-18T01:17:55.281197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d023d64ac2692d8a95af128730db90654369d7d06557587e4649f1ec3aaad64e

Aliases

arxiv: 1511.08781 · arxiv_version: 1511.08781v2 · doi: 10.48550/arxiv.1511.08781 · pith_short_12: 2AR5MSWCNEWY · pith_short_16: 2AR5MSWCNEWYVFNP · pith_short_8: 2AR5MSWC

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/2AR5MSWCNEWYVFNPCKDTBW4QMV \
  | 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: d023d64ac2692d8a95af128730db90654369d7d06557587e4649f1ec3aaad64e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df7fb103daec0814dd839bc59105de8bf19c93f7fe5a155bde534096efc053fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-11-27T20:06:00Z",
    "title_canon_sha256": "c0208cd75086a6a866f6ceecf4b92645aa5a0f6d60c556c3a2b2f6a3f34c24e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08781",
    "kind": "arxiv",
    "version": 2
  }
}