Pith Number

pith:UL7YVT2Y

pith:2019:UL7YVT2YDAMB7VNPHL3W7XZGP7

not attested not anchored not stored refs pending

Reconstruction of the Cosmic Equation of State for High Redshift

A. M. Velasquez-Toribio, Julio C. Fabris, M. M. Machado

arxiv:1905.10492 v1 · 2019-05-25 · 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{UL7YVT2YDAMB7VNPHL3W7XZGP7}

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	2026-05-17T23:45:08.339360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ff8acf5818181fd5af3af76fdf267ffb154e2bb2d515c0a6284059efbe5d55

Aliases

arxiv: 1905.10492 · arxiv_version: 1905.10492v1 · doi: 10.48550/arxiv.1905.10492 · pith_short_12: UL7YVT2YDAMB · pith_short_16: UL7YVT2YDAMB7VNP · pith_short_8: UL7YVT2Y

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/UL7YVT2YDAMB7VNPHL3W7XZGP7 \
  | 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: a2ff8acf5818181fd5af3af76fdf267ffb154e2bb2d515c0a6284059efbe5d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10a049bbae127d021c705f5984edffa99d2bf061b6d57e5f61d53be21652a225",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-05-25T01:17:51Z",
    "title_canon_sha256": "8bb87ec3ffb94c36cae165b1908aa56ed6476f96deac4d4bc92382f60ff41d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10492",
    "kind": "arxiv",
    "version": 1
  }
}