Pith Number

pith:JZVUV3NC

pith:2016:JZVUV3NCNZISD6SPR2OCILUTKV

not attested not anchored not stored refs pending

Friedmann dynamics recovered from compactified Einstein-Gauss-Bonnet cosmology

Alexey Toporensky, Alex Giacomini, Fabrizio Canfora, Sergey A. Pavluchenko

arxiv:1605.00041 v1 · 2016-04-29 · 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{JZVUV3NCNZISD6SPR2OCILUTKV}

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	2026-05-18T00:21:05.303216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e6b4aeda26e5121fa4f8e9c242e93556292b89b0e88135e462779f13b1690fc

Aliases

arxiv: 1605.00041 · arxiv_version: 1605.00041v1 · doi: 10.48550/arxiv.1605.00041 · pith_short_12: JZVUV3NCNZIS · pith_short_16: JZVUV3NCNZISD6SP · pith_short_8: JZVUV3NC

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/JZVUV3NCNZISD6SPR2OCILUTKV \
  | 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: 4e6b4aeda26e5121fa4f8e9c242e93556292b89b0e88135e462779f13b1690fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d34b466221e19b90bf7d2d97692b425c2465fffe8ccb693f0114c2c380d5103e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-04-29T23:31:32Z",
    "title_canon_sha256": "68f2e10d02a685fdda924ef99dc95a0fd7d6357bf2aef282dd533a04ed54947d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00041",
    "kind": "arxiv",
    "version": 1
  }
}