Pith Number

pith:J4QAILRG

pith:2017:J4QAILRGDXST4B47W3MP5LHLDF

not attested not anchored not stored refs pending

Is the cosmological dark sector better modeled by a generalized Chaplygin gas or by a scalar field?

J.C. Fabris, R. Herrera, S. del Campo, W. Zimdahl

arxiv:1703.04149 v2 · 2017-03-12 · 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{J4QAILRGDXST4B47W3MP5LHLDF}

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	2026-05-18T00:38:56.827046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f20042e261de53e079fb6d8feaceb195cf05b87791869b879f2cfc5caf0b472

Aliases

arxiv: 1703.04149 · arxiv_version: 1703.04149v2 · doi: 10.48550/arxiv.1703.04149 · pith_short_12: J4QAILRGDXST · pith_short_16: J4QAILRGDXST4B47 · pith_short_8: J4QAILRG

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/J4QAILRGDXST4B47W3MP5LHLDF \
  | 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: 4f20042e261de53e079fb6d8feaceb195cf05b87791869b879f2cfc5caf0b472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "762e4b601d839a15fd95910e219d3bbc32456bd8da46da75608af41727a45a55",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-12T17:48:16Z",
    "title_canon_sha256": "ece20a162c3c336a4523ccc4cb5896ea7102eb943bc9bdb3d1bf01fdc903cc22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04149",
    "kind": "arxiv",
    "version": 2
  }
}