Pith Number

pith:ILKLMD7I

pith:2010:ILKLMD7I6EOAVCEHWA2YPTTQZJ

not attested not anchored not stored refs pending

Dynamics of Brans-Dicke cosmology with varying mass fermions

Dao-jun Liu

arxiv:1005.5508 v2 · 2010-05-30 · astro-ph.CO · 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{ILKLMD7I6EOAVCEHWA2YPTTQZJ}

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	2026-05-18T02:33:23.572838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d4b60fe8f11c0a8887b03587ce70ca78745fb4ccbf18073e4b496cb2be010e

Aliases

arxiv: 1005.5508 · arxiv_version: 1005.5508v2 · doi: 10.48550/arxiv.1005.5508 · pith_short_12: ILKLMD7I6EOA · pith_short_16: ILKLMD7I6EOAVCEH · pith_short_8: ILKLMD7I

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/ILKLMD7I6EOAVCEHWA2YPTTQZJ \
  | 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: 42d4b60fe8f11c0a8887b03587ce70ca78745fb4ccbf18073e4b496cb2be010e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768e4a3274d2c72ca615da605a1b937b4af5eb585bcc47127c9f3a1ed9c343f8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-30T09:16:14Z",
    "title_canon_sha256": "379ea4c65d7c632183ddce71c9a46c1708670019c3f2ed5389198633593de3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5508",
    "kind": "arxiv",
    "version": 2
  }
}