Pith Number

pith:4O6Z2AYB

pith:2015:4O6Z2AYBHFY22SG2NX7ZFPYZOY

not attested not anchored not stored refs pending

PPN parameters in gravitational theory with nonminimally derivative coupling

Yungui Gong, Zhu Yi

arxiv:1512.05555 v2 · 2015-12-17 · gr-qc · astro-ph.CO · 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{4O6Z2AYBHFY22SG2NX7ZFPYZOY}

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	2026-05-18T01:10:45.772037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3bd9d03013971ad48da6dff92bf19762d43bc6cadb1205778578b321d817333

Aliases

arxiv: 1512.05555 · arxiv_version: 1512.05555v2 · doi: 10.48550/arxiv.1512.05555 · pith_short_12: 4O6Z2AYBHFY2 · pith_short_16: 4O6Z2AYBHFY22SG2 · pith_short_8: 4O6Z2AYB

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/4O6Z2AYBHFY22SG2NX7ZFPYZOY \
  | 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: e3bd9d03013971ad48da6dff92bf19762d43bc6cadb1205778578b321d817333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b42ffdadb04fdc8632496e00f1fffeb03bf01e9bcebac3567daccde731cb924",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-12-17T12:25:22Z",
    "title_canon_sha256": "c7b520826705cb395584429f7ee5cb6b89c4e1408d9e122b2f1a1ddc0eed3175"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05555",
    "kind": "arxiv",
    "version": 2
  }
}