Pith Number

pith:EY256H2W

pith:2015:EY256H2W4ZGMYSACRQCPY4YH72

not attested not anchored not stored refs pending

Strong gravitational lensing by an electrically charged black hole in Eddington-inspired Born-Infeld gravity

Hajime Sotani, Umpei Miyamoto

arxiv:1508.03119 v1 · 2015-08-13 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EY256H2W4ZGMYSACRQCPY4YH72}

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	2026-05-18T01:31:31.612112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2635df1f56e64ccc48028c04fc7307fea0ca45c286258fef10969c09d58a9a5e

Aliases

arxiv: 1508.03119 · arxiv_version: 1508.03119v1 · doi: 10.48550/arxiv.1508.03119 · pith_short_12: EY256H2W4ZGM · pith_short_16: EY256H2W4ZGMYSAC · pith_short_8: EY256H2W

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/EY256H2W4ZGMYSACRQCPY4YH72 \
  | 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: 2635df1f56e64ccc48028c04fc7307fea0ca45c286258fef10969c09d58a9a5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ab96a3bf46b7ef7161437ba236992acc2b2c228bb128c64af18fd552719bc91",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-13T05:04:49Z",
    "title_canon_sha256": "90431c3b97621f4df4e4d0eced3dfa82c8ec2a8d289a655bc93fa5d260673c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03119",
    "kind": "arxiv",
    "version": 1
  }
}