Pith Number

pith:OGF7DIGA

pith:2017:OGF7DIGAYVUZQHBSZORHMXM7BF

not attested not anchored not stored refs pending

Born-Infeld gravity with a Brans-Dicke scalar

India), Sayan Kar (IIT Kharagpur, Soumya Jana

arxiv:1706.03209 v2 · 2017-06-10 · 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{OGF7DIGAYVUZQHBSZORHMXM7BF}

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	2026-05-18T00:39:22.510901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

718bf1a0c0c569981c32cba2765d9f0946a40553aa649d4e345374328eabcd61

Aliases

arxiv: 1706.03209 · arxiv_version: 1706.03209v2 · doi: 10.48550/arxiv.1706.03209 · pith_short_12: OGF7DIGAYVUZ · pith_short_16: OGF7DIGAYVUZQHBS · pith_short_8: OGF7DIGA

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/OGF7DIGAYVUZQHBSZORHMXM7BF \
  | 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: 718bf1a0c0c569981c32cba2765d9f0946a40553aa649d4e345374328eabcd61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f405b7df63e615228ba94307c0497e0b7b0e8be8803518867fd140a489b17496",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-06-10T09:32:24Z",
    "title_canon_sha256": "d6b2b5bdb2257f2a5560f1026ce68d396bee7b1c0504e2f9e4844fe0af2b3ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03209",
    "kind": "arxiv",
    "version": 2
  }
}