Pith Number

pith:HFXFUD3W

pith:2016:HFXFUD3WRDSDBOQ33EHBKLKBK4

not attested not anchored not stored refs pending

Constraints from growth-rate data on some coupled dark energy models mimicking a $\Lambda CDM$ expansion

Stephane Fay

arxiv:1605.01644 v1 · 2016-05-05 · 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{HFXFUD3WRDSDBOQ33EHBKLKBK4}

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	2026-05-18T01:13:47.139424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396e5a0f7688e430ba1bd90e152d415701985edfddc2a712a0174876e1f44c2f

Aliases

arxiv: 1605.01644 · arxiv_version: 1605.01644v1 · doi: 10.48550/arxiv.1605.01644 · pith_short_12: HFXFUD3WRDSD · pith_short_16: HFXFUD3WRDSDBOQ3 · pith_short_8: HFXFUD3W

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/HFXFUD3WRDSDBOQ33EHBKLKBK4 \
  | 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: 396e5a0f7688e430ba1bd90e152d415701985edfddc2a712a0174876e1f44c2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3e8676ed8135e3f014b92943f09414fb4c33554c137be989a5c0929c9b0a5d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-05-05T16:36:10Z",
    "title_canon_sha256": "1f6de7e55a1a6b87dffdb33eb950ba7942898967cfe62f282f062a019eee082d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01644",
    "kind": "arxiv",
    "version": 1
  }
}