Pith Number

pith:WHCYJEUV

pith:2020:WHCYJEUVWE2QN77GN7RKNIRP6U

not attested not anchored not stored refs pending

Cosmological perturbations for two cold fluids in $\Lambda$CDM

Cora Uhlemann, Cornelius Rampf, Oliver Hahn

arxiv:2008.09123 v2 · 2020-08-20 · 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{WHCYJEUVWE2QN77GN7RKNIRP6U}

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.

Cited by

1 paper in Pith

Cosmological constraints on the big bang quantum cosmology model

Receipt and verification

First computed	2026-07-05T01:56:43.685394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c5849295b13506ffe66fe2a6a22ff5364e64d5b08677cb5018b7c73fb2b8af

Aliases

arxiv: 2008.09123 · arxiv_version: 2008.09123v2 · doi: 10.48550/arxiv.2008.09123 · pith_short_12: WHCYJEUVWE2Q · pith_short_16: WHCYJEUVWE2QN77G · pith_short_8: WHCYJEUV

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/WHCYJEUVWE2QN77GN7RKNIRP6U \
  | 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: b1c5849295b13506ffe66fe2a6a22ff5364e64d5b08677cb5018b7c73fb2b8af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aabdcecb8ddbfec69b17567ae6b740c8d77e38cdcd7daf6dc3a0a94f81a7ccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-08-20T18:00:01Z",
    "title_canon_sha256": "ffdfbf57ad72d22bdd68e12ba14456ed8876f1b3fc63c948113de39b883dc5ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.09123",
    "kind": "arxiv",
    "version": 2
  }
}