Pith Number

pith:IO3NBY3X

pith:2015:IO3NBY3XZ5VNNZYTY7G7EREQLH

not attested not anchored not stored refs pending

Fitting and forecasting non-linear coupled dark energy

(2) Universita di Bologna, 3, (3) INAF-Osservatorio Astronomico di Bologna, 4), (4) INFN-Sezione di Bologna), Adrian Vollmer (1) ((1) ITP U. Heidelberg, Luca Amendola (1), Marco Baldi (2, Santiago Casas (1), Valeria Pettorino (1)

arxiv:1508.07208 v2 · 2015-08-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IO3NBY3XZ5VNNZYTY7G7EREQLH}

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	2026-05-18T01:06:29.149224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b6d0e377cf6ad6e713c7cdf2449059e80df6dc23050c76ee0af3db4833daed

Aliases

arxiv: 1508.07208 · arxiv_version: 1508.07208v2 · doi: 10.48550/arxiv.1508.07208 · pith_short_12: IO3NBY3XZ5VN · pith_short_16: IO3NBY3XZ5VNNZYT · pith_short_8: IO3NBY3X

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/IO3NBY3XZ5VNNZYTY7G7EREQLH \
  | 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: 43b6d0e377cf6ad6e713c7cdf2449059e80df6dc23050c76ee0af3db4833daed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d71b8f794478e07a6187354a027ef265070e5ed0ff25e1e253bd2a1e2bc6238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-08-28T13:48:57Z",
    "title_canon_sha256": "102f7d25212fe33a9606c10ce09a458f53826ec24e9ba129b05a4ee8f4ea808b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07208",
    "kind": "arxiv",
    "version": 2
  }
}