Pith Number

pith:2FMEGWE5

pith:2014:2FMEGWE523CZABLHNOMTZXPBP5

not attested not anchored not stored refs pending

Parametrizing the transition to the phantom epoch with Supernovae Ia and Standard Rulers

Diego S\'aez-G\'omez, Iker Leanizbarrutia

arxiv:1404.3665 v2 · 2014-04-14 · 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{2FMEGWE523CZABLHNOMTZXPBP5}

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	2026-05-18T01:43:34.816026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15843589dd6c59005676b993cdde17f5a2b23b8f4aed9a3912381d80ab17945

Aliases

arxiv: 1404.3665 · arxiv_version: 1404.3665v2 · doi: 10.48550/arxiv.1404.3665 · pith_short_12: 2FMEGWE523CZ · pith_short_16: 2FMEGWE523CZABLH · pith_short_8: 2FMEGWE5

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/2FMEGWE523CZABLHNOMTZXPBP5 \
  | 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: d15843589dd6c59005676b993cdde17f5a2b23b8f4aed9a3912381d80ab17945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a64080649ce540666e992ecd6c7c3411e55b049087fe241277a66ee2fd9acfe",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-14T17:42:35Z",
    "title_canon_sha256": "5c883e82242dfa69ab156197a16bfac4c8eaf045f345e6e9a8cd469ba27bcab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3665",
    "kind": "arxiv",
    "version": 2
  }
}