Pith Number

pith:QNPOVXTP

pith:2019:QNPOVXTPM4VO4NCHBHSPPOXDMT

not attested not anchored not stored refs pending

Novel matter coupling in Einstein gravity

Chunshan Lin, Zygmunt Lalak

arxiv:1911.12026 v2 · 2019-11-27 · gr-qc · astro-ph.CO · hep-ph · 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{QNPOVXTPM4VO4NCHBHSPPOXDMT}

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	2026-07-05T01:06:32.020433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

835eeade6f672aee344709e4f7bae364fb6515dfcce587757fb67a5e8270d0de

Aliases

arxiv: 1911.12026 · arxiv_version: 1911.12026v2 · doi: 10.48550/arxiv.1911.12026 · pith_short_12: QNPOVXTPM4VO · pith_short_16: QNPOVXTPM4VO4NCH · pith_short_8: QNPOVXTP

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/QNPOVXTPM4VO4NCHBHSPPOXDMT \
  | 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: 835eeade6f672aee344709e4f7bae364fb6515dfcce587757fb67a5e8270d0de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf58ba1c5d09f32fe14bce2a9c158c949a3e04009f70321456fa24e085de915d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-11-27T08:44:15Z",
    "title_canon_sha256": "cd1b92c9f0cea8d9ea1b6a088635e9d3927e0e2d308a9b75dcbaa0700cce17a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12026",
    "kind": "arxiv",
    "version": 2
  }
}