Pith Number

pith:Y7JNMQBP

pith:2026:Y7JNMQBPUATSHHI4I7MOOLDSYU

not attested not anchored not stored refs pending

Accelerating scaling solutions from dark matter particle creation

Emmanuel N. Saridakis, Jaume de Haro, Subenoy Chakraborty, Sudip Halder, Supriya Pan, Tapan Saha

Accelerating scaling attractors emerge only when dark matter particle creation drives energy flow from dark matter to the second fluid.

arxiv:2604.21770 v2 · 2026-04-23 · gr-qc · astro-ph.CO · math-ph · math.MP

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\usepackage{pith}
\pithnumber{Y7JNMQBPUATSHHI4I7MOOLDSYU}

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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.

Claims

C1strongest claim

accelerating scaling attractors, namely late-time states where both fluids coexist with fixed energy fractions, arise only when the interaction is controlled by the DM density and energy flows from DM to the second fluid.

C2weakest assumption

The six widely used interaction prescriptions adequately represent the relevant physics and that the adiabatic particle creation rate remains valid at late times; the analysis further assumes a flat FLRW background in standard general relativity.

C3one line summary

Accelerating scaling attractors where DM and barotropic fluid coexist at late times arise only for DM-density-controlled interactions with energy transfer from DM.

Receipt and verification

First computed	2026-06-08T01:04:05.460300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d2d6402fa027239d1c47d8e72c72c5257bbfcd7c65beaf1f14c8076afe7ad2

Aliases

arxiv: 2604.21770 · arxiv_version: 2604.21770v2 · doi: 10.48550/arxiv.2604.21770 · pith_short_12: Y7JNMQBPUATS · pith_short_16: Y7JNMQBPUATSHHI4 · pith_short_8: Y7JNMQBP

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/Y7JNMQBPUATSHHI4I7MOOLDSYU \
  | 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: c7d2d6402fa027239d1c47d8e72c72c5257bbfcd7c65beaf1f14c8076afe7ad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d608d7889963e52bc20517e983716992379c52a1ef887a4c4424758d29e8e03f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-04-23T15:28:34Z",
    "title_canon_sha256": "9f936b454e0269269779b02cd7852cb2c716ecc4486ee0720d7a61fdcc522084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.21770",
    "kind": "arxiv",
    "version": 2
  }
}