Pith Number

pith:IWXYDLZL

pith:2015:IWXYDLZL6YAGCQX2BFS27NWTBG

not attested not anchored not stored refs pending

Modified Gauss-Bonnet gravity with Lagrange multiplier constraint as mimetic theory

Artyom V. Astashenok, Sergei D. Odintsov, V.K. Oikonomou

arxiv:1504.04861 v2 · 2015-04-19 · 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{IWXYDLZL6YAGCQX2BFS27NWTBG}

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	2026-05-18T01:32:29.746896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45af81af2bf6006142fa0965afb6d309add021217bb229a460773a6da289b453

Aliases

arxiv: 1504.04861 · arxiv_version: 1504.04861v2 · doi: 10.48550/arxiv.1504.04861 · pith_short_12: IWXYDLZL6YAG · pith_short_16: IWXYDLZL6YAGCQX2 · pith_short_8: IWXYDLZL

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/IWXYDLZL6YAGCQX2BFS27NWTBG \
  | 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: 45af81af2bf6006142fa0965afb6d309add021217bb229a460773a6da289b453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13aaec9fb22a24414ace851da1cafe9d52fd153e0a415038e08822de5aba76f0",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-19T17:12:41Z",
    "title_canon_sha256": "70141a045618ac096589cccd45cb3a6c95c992a13271fb519f36b86f24c7102e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04861",
    "kind": "arxiv",
    "version": 2
  }
}