Pith Number

pith:K7KTTBXT

pith:2026:K7KTTBXT324C7HSPUBSXF4OOO6

not attested not anchored not stored refs pending

The silent dark sector: a field-theory approach to unified dark fluids with vanishing speed of sound

Antonio L. Maroto, Dar\'io Jaramillo-Garrido, Javier de Cruz P\'erez, Prado Mart\'in-Moruno

arxiv:2607.19494 v1 · 2026-07-21 · 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{K7KTTBXT324C7HSPUBSXF4OOO6}

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	2026-07-23T00:23:52.844177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d53986f3deb82f9e4fa06572f1ce779690ab9783da5a2f4934783df080dde4

Aliases

arxiv: 2607.19494 · arxiv_version: 2607.19494v1 · doi: 10.48550/arxiv.2607.19494 · pith_short_12: K7KTTBXT324C · pith_short_16: K7KTTBXT324C7HSP · pith_short_8: K7KTTBXT

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/K7KTTBXT324C7HSPUBSXF4OOO6 \
  | 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: 57d53986f3deb82f9e4fa06572f1ce779690ab9783da5a2f4934783df080dde4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3509402ae349ef480ac15d9e8d42307ed4d1ea3b531ba02e3cd16a96b768937",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-21T18:12:49Z",
    "title_canon_sha256": "fc18641d53c69011af36101385038ae0ca93ca0f7597e2bbe213e65db53025ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19494",
    "kind": "arxiv",
    "version": 1
  }
}