Pith Number

pith:VURLTYPE

pith:2016:VURLTYPE4SPGHSEJSDEY5AWRPF

not attested not anchored not stored refs pending

Cosmological constrains on fast transition Unified Dark Energy/Matter models

Iker Leanizbarrutia, Ruth Lazkoz, Vincenzo Salzano

arxiv:1602.01331 v1 · 2016-02-03 · 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{VURLTYPE4SPGHSEJSDEY5AWRPF}

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	2026-05-18T01:19:47.186550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad22b9e1e4e49e63c88990c98e82d179767400d2a6713d2e798b6a018bbe5f87

Aliases

arxiv: 1602.01331 · arxiv_version: 1602.01331v1 · doi: 10.48550/arxiv.1602.01331 · pith_short_12: VURLTYPE4SPG · pith_short_16: VURLTYPE4SPGHSEJ · pith_short_8: VURLTYPE

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/VURLTYPE4SPGHSEJSDEY5AWRPF \
  | 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: ad22b9e1e4e49e63c88990c98e82d179767400d2a6713d2e798b6a018bbe5f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b6d13f06caf10518835891ef466b3e8b31ad9a0dbbeb75ffb57e1881534ce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-02-03T15:15:45Z",
    "title_canon_sha256": "3e5b1444fdcef88211674dd189491513ae3a621efe7cdfda298e656e5b1692fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01331",
    "kind": "arxiv",
    "version": 1
  }
}