Pith Number

pith:DOSZW5NJ

pith:2014:DOSZW5NJT4W7RWRDLOT3FF2KPQ

not attested not anchored not stored refs pending

Redshift drift test of exotic singularity universes

Carlos J.A.P. Martins, Mariusz P. Dabrowski, Pauline Vielzeuf, Tomasz Denkiewicz

arxiv:1402.0520 v2 · 2014-02-03 · 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{DOSZW5NJT4W7RWRDLOT3FF2KPQ}

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	2026-05-18T02:53:39.815524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba59b75a99f2df8da235ba7b2974a7c1fd25e0923eeed4c8e2c42992aa4e146

Aliases

arxiv: 1402.0520 · arxiv_version: 1402.0520v2 · doi: 10.48550/arxiv.1402.0520 · pith_short_12: DOSZW5NJT4W7 · pith_short_16: DOSZW5NJT4W7RWRD · pith_short_8: DOSZW5NJ

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/DOSZW5NJT4W7RWRDLOT3FF2KPQ \
  | 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: 1ba59b75a99f2df8da235ba7b2974a7c1fd25e0923eeed4c8e2c42992aa4e146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a0e4a158bb0e2b46764f784da2dae953517c3dd7e31273da824dfdbabd66021",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-03T21:18:37Z",
    "title_canon_sha256": "c1031768e9a12256d9418b7ceaa794ab0a45d9d17cf179acf258b420f1b0312c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0520",
    "kind": "arxiv",
    "version": 2
  }
}