Pith Number

pith:PYPZNKL3

pith:2009:PYPZNKL3AOKLZZ7QJUSJTRANK4

not attested not anchored not stored refs pending

Some remarks on the observational constraints on the self-interacting scalar field model for dark energy

Deborah F. Jardim, Julio C. Fabris

arxiv:0910.4736 v1 · 2009-10-25 · astro-ph.CO · gr-qc · 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{PYPZNKL3AOKLZZ7QJUSJTRANK4}

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	2026-05-18T02:11:11.746090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e1f96a97b0394bce7f04d2499c40d572274f0a20f72f77e8f00e3e619a8f4c8

Aliases

arxiv: 0910.4736 · arxiv_version: 0910.4736v1 · doi: 10.48550/arxiv.0910.4736 · pith_short_12: PYPZNKL3AOKL · pith_short_16: PYPZNKL3AOKLZZ7Q · pith_short_8: PYPZNKL3

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/PYPZNKL3AOKLZZ7QJUSJTRANK4 \
  | 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: 7e1f96a97b0394bce7f04d2499c40d572274f0a20f72f77e8f00e3e619a8f4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f25f5b6121ee9c45d2e2239aef3810736395e57d885f526b0b0ebdc7fd77eff6",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-25T13:49:07Z",
    "title_canon_sha256": "243f8154be266fe93b785e90768735681237b789677d8aec5d4facffd1f935a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4736",
    "kind": "arxiv",
    "version": 1
  }
}