Pith Number

pith:ECGEIK7L

pith:2002:ECGEIK7LXCO4M63CPQ3BL5PXNS

not attested not anchored not stored refs pending

Constraints on the interaction and self-interaction of dark energy from cosmic microwave background

Alessandro Pasqui (INAF-Osservatorio Astronomico di Roma), Claudia Quercellini, Domenico Tocchini-Valentini, Luca Amendola

arxiv:astro-ph/0205097 v1 · 2002-05-07 · astro-ph · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECGEIK7LXCO4M63CPQ3BL5PXNS}

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	2026-07-04T16:29:58.773972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208c442bebb89dc67b627c3615f5f76c94e28c0183a0c01926ce626b8813aa5d

Aliases

arxiv: astro-ph/0205097 · arxiv_version: astro-ph/0205097v1 · doi: 10.48550/arxiv.astro-ph/0205097 · pith_short_12: ECGEIK7LXCO4 · pith_short_16: ECGEIK7LXCO4M63C · pith_short_8: ECGEIK7L

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/ECGEIK7LXCO4M63CPQ3BL5PXNS \
  | 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: 208c442bebb89dc67b627c3615f5f76c94e28c0183a0c01926ce626b8813aa5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ad55b3360d12d787e5347c25f03a11ae96d736f0f9bed2e2d681f86bcd1cb3",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-07T13:55:53Z",
    "title_canon_sha256": "10047db418bfe5b37a83bb6aab617c23486099bde2864d7d1c817beca863a948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205097",
    "kind": "arxiv",
    "version": 1
  }
}