Pith Number

pith:7NGEC4P6

pith:2017:7NGEC4P6GG6AVCIUFHSB2ZYTXW

not attested not anchored not stored refs pending

Tests of Gravity Theories Using Supermassive Black Holes

Bhuvnesh Jain, Jeremy Sakstein, Jeremy S. Heyl, Lam Hui

arxiv:1704.02425 v2 · 2017-04-08 · astro-ph.CO · astro-ph.GA · gr-qc · hep-ph · 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{7NGEC4P6GG6AVCIUFHSB2ZYTXW}

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	2026-05-18T00:38:55.734384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4c4171fe31bc0a891429e41d6713bd88dde845ef3170e1fb40c973dc145c5f

Aliases

arxiv: 1704.02425 · arxiv_version: 1704.02425v2 · doi: 10.48550/arxiv.1704.02425 · pith_short_12: 7NGEC4P6GG6A · pith_short_16: 7NGEC4P6GG6AVCIU · pith_short_8: 7NGEC4P6

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/7NGEC4P6GG6AVCIUFHSB2ZYTXW \
  | 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: fb4c4171fe31bc0a891429e41d6713bd88dde845ef3170e1fb40c973dc145c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2c45b13b66d1634dcd0ba9b64d5093cce9bccd843d90b49963b4dccb1e07666",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-04-08T02:34:07Z",
    "title_canon_sha256": "f0af5bc8f65399ed6f020b524ca81084b269d04d347a34c99deee2f726ca8b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02425",
    "kind": "arxiv",
    "version": 2
  }
}