Pith Number

pith:XNELZQGX

pith:2011:XNELZQGX3QQLMNXRCQBVHHJLLW

not attested not anchored not stored refs pending

What if ... General Relativity is not the theory?

Orfeu Bertolami

arxiv:1112.2048 v1 · 2011-12-09 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNELZQGX3QQLMNXRCQBVHHJLLW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:06:44.219197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb48bcc0d7dc20b636f11403539d2b5d9bafb05b18486b0b94b243ae150a2920

Aliases

arxiv: 1112.2048 · arxiv_version: 1112.2048v1 · doi: 10.48550/arxiv.1112.2048 · pith_short_12: XNELZQGX3QQL · pith_short_16: XNELZQGX3QQLMNXR · pith_short_8: XNELZQGX

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/XNELZQGX3QQLMNXRCQBVHHJLLW \
  | 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: bb48bcc0d7dc20b636f11403539d2b5d9bafb05b18486b0b94b243ae150a2920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0091f6a607fd4d8b1b92ba48c481c8cbb68f6a895c1ddb524f37e0b157f03f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-09T08:41:35Z",
    "title_canon_sha256": "8327dc52c8b40bc64412b9bc7d675a64c9b7a507b3352c4fbbcb37f79fe073a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2048",
    "kind": "arxiv",
    "version": 1
  }
}