Pith Number

pith:LP6MF3SR

pith:2018:LP6MF3SR3M7MJPDCPSMSLBVRJW

not attested not anchored not stored refs pending

The Varying Speed of Light in Eddington-inspired Born-Infield Gravity with Rainbow Metric

Jia-Cheng Ding, Jian-Bo Deng, Ping-Li, Qi-Qi Fan, Xian-Ru Hu

arxiv:1808.00801 v5 · 2018-08-02 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LP6MF3SR3M7MJPDCPSMSLBVRJW}

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	2026-05-17T23:46:19.524910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bfcc2ee51db3ec4bc627c992586b14db534857a32224a0f957dce06609aeb7f

Aliases

arxiv: 1808.00801 · arxiv_version: 1808.00801v5 · doi: 10.48550/arxiv.1808.00801 · pith_short_12: LP6MF3SR3M7M · pith_short_16: LP6MF3SR3M7MJPDC · pith_short_8: LP6MF3SR

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/LP6MF3SR3M7MJPDCPSMSLBVRJW \
  | 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: 5bfcc2ee51db3ec4bc627c992586b14db534857a32224a0f957dce06609aeb7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff83b202d7976815f333a204c6fe1a95a9d289dd6da9d3e33bc55d7a7fb641b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-02T13:27:06Z",
    "title_canon_sha256": "9cdfa426451edee8f51be481582f63b089ee137485994c49b83ce217959fdca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00801",
    "kind": "arxiv",
    "version": 5
  }
}