Pith Number

pith:GFDL3NXP

pith:2015:GFDL3NXPEMCM5DRMX3ZWK2PYV3

not attested not anchored not stored refs pending

Inflationary models with non-minimally derivative coupling

Nan Yang, Qin Fei, Qing Gao, Yungui Gong

arxiv:1504.05839 v2 · 2015-04-22 · 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{GFDL3NXPEMCM5DRMX3ZWK2PYV3}

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	2026-05-18T00:51:18.657874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3146bdb6ef2304ce8e2cbef36569f8aed2c227b54ef8d393e2b4b3c867be6b73

Aliases

arxiv: 1504.05839 · arxiv_version: 1504.05839v2 · doi: 10.48550/arxiv.1504.05839 · pith_short_12: GFDL3NXPEMCM · pith_short_16: GFDL3NXPEMCM5DRM · pith_short_8: GFDL3NXP

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/GFDL3NXPEMCM5DRMX3ZWK2PYV3 \
  | 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: 3146bdb6ef2304ce8e2cbef36569f8aed2c227b54ef8d393e2b4b3c867be6b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21188b52a0ae21e4faf263a9ca09e7252855bc930f827474ddec98a90835759",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-22T14:58:03Z",
    "title_canon_sha256": "048b9d34e93fa068df2d66480707c835db1269979ce1c9bad3057c7137ae675f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05839",
    "kind": "arxiv",
    "version": 2
  }
}