Pith Number

pith:AJICPSH2

pith:2014:AJICPSH2MZ3WBBNJVLKO5NNS3R

not attested not anchored not stored refs pending

Time variation of the Equation of State for Dark Energy

Ryohei Sakata, Tetsuya Hara, Yusuke Muromachi, Yutaka Itoh

arxiv:1409.2726 v3 · 2014-09-09 · 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{AJICPSH2MZ3WBBNJVLKO5NNS3R}

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	2026-05-18T02:23:58.463433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

025027c8fa66776085a9aad4eeb5b2dc78dd325e55d00c06b23d765d911fd6fc

Aliases

arxiv: 1409.2726 · arxiv_version: 1409.2726v3 · doi: 10.48550/arxiv.1409.2726 · pith_short_12: AJICPSH2MZ3W · pith_short_16: AJICPSH2MZ3WBBNJ · pith_short_8: AJICPSH2

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/AJICPSH2MZ3WBBNJVLKO5NNS3R \
  | 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: 025027c8fa66776085a9aad4eeb5b2dc78dd325e55d00c06b23d765d911fd6fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781e86743e18aed36712ba270110207f2a30c4b77cf059bf92cf11bc17b5940d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-09T13:24:28Z",
    "title_canon_sha256": "f129666fc9b38b9cf09eff92f72276f602bd137644306d426939a38e1aa87bad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2726",
    "kind": "arxiv",
    "version": 3
  }
}