Pith Number

pith:UDN3FYME

pith:2020:UDN3FYMEKS5M2HCSEP5LRTG5Q4

not attested not anchored not stored refs pending

Constraints and cosmography of $\Lambda$CDM in presence of viscosity

A. Hern\'andez-Almada, L. Herrera-Zamorano, Miguel A. Garc\'ia-Aspeitia

arxiv:2007.04507 v1 · 2020-07-09 · 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{UDN3FYMEKS5M2HCSEP5LRTG5Q4}

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

Little ado about everything II: an `emergent' dark energy from structure formation to rule cosmic tensions

Receipt and verification

First computed	2026-07-05T01:21:08.464432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0dbb2e18454bacd1c5223fab8ccdd872f4aca98d24f4f257f5a5bc9bcf949d9

Aliases

arxiv: 2007.04507 · arxiv_version: 2007.04507v1 · doi: 10.48550/arxiv.2007.04507 · pith_short_12: UDN3FYMEKS5M · pith_short_16: UDN3FYMEKS5M2HCS · pith_short_8: UDN3FYME

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/UDN3FYMEKS5M2HCSEP5LRTG5Q4 \
  | 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: a0dbb2e18454bacd1c5223fab8ccdd872f4aca98d24f4f257f5a5bc9bcf949d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30cec05b875152709e5766acc3134037468d541c8565820bfb1fc9afb0199546",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-07-09T01:45:12Z",
    "title_canon_sha256": "b3a2680148c139159f11a1ce4ba2ab227f3c459b7d5a034f9f566364a8950183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04507",
    "kind": "arxiv",
    "version": 1
  }
}