Pith Number

pith:EJSKZJ5H

pith:2009:EJSKZJ5HNN7M7JYFUXVRYQTOB4

not attested not anchored not stored refs pending

On Weyl cosmology in five dimensions and the cosmological constant

Carlos Romero, Jose Edgar Madriz Aguilar

arxiv:0906.1613 v1 · 2009-06-08 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJSKZJ5HNN7M7JYFUXVRYQTOB4}

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	2026-05-18T04:25:51.219151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2264aca7a76b7ecfa705a5eb1c426e0f0c236b8ba5bdbd30ae2f474ea7e78ec3

Aliases

arxiv: 0906.1613 · arxiv_version: 0906.1613v1 · doi: 10.48550/arxiv.0906.1613 · pith_short_12: EJSKZJ5HNN7M · pith_short_16: EJSKZJ5HNN7M7JYF · pith_short_8: EJSKZJ5H

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/EJSKZJ5HNN7M7JYFUXVRYQTOB4 \
  | 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: 2264aca7a76b7ecfa705a5eb1c426e0f0c236b8ba5bdbd30ae2f474ea7e78ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf29589bb7109976c22b060ad557585a7e0fcf879726f6cbbc934b24c0fc14c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-08T23:49:28Z",
    "title_canon_sha256": "6628f2f51e14d49dbbbc6f7924fd21d07dc48cf25038aae214d92258d2546e4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1613",
    "kind": "arxiv",
    "version": 1
  }
}