Pith Number

pith:OBMC6OOS

pith:2019:OBMC6OOST2IJHWO53MC3GG7U6H

not attested not anchored not stored refs pending

Gravity theory with a dark extra dimension

Sandipan Sengupta

arxiv:1908.04830 v4 · 2019-08-13 · gr-qc · astro-ph.GA · 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{OBMC6OOST2IJHWO53MC3GG7U6H}

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	2026-07-05T01:05:09.643707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70582f39d29e9093d9dddb05b31bf4f1fd6f45c219207e8034ed40259518d34c

Aliases

arxiv: 1908.04830 · arxiv_version: 1908.04830v4 · doi: 10.48550/arxiv.1908.04830 · pith_short_12: OBMC6OOST2IJ · pith_short_16: OBMC6OOST2IJHWO5 · pith_short_8: OBMC6OOS

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/OBMC6OOST2IJHWO53MC3GG7U6H \
  | 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: 70582f39d29e9093d9dddb05b31bf4f1fd6f45c219207e8034ed40259518d34c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22ffedbe9075982a088fa6f53021c02cc292c733512225e3f4642abfe4ec109",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-13T19:07:44Z",
    "title_canon_sha256": "969e0285f96262ca0343281149a7e2988175ea80eaf8e64ee5d8d6f5d0362891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04830",
    "kind": "arxiv",
    "version": 4
  }
}