Pith Number

pith:J2Y7APKW

pith:2014:J2Y7APKWOWECNJUJKKQLF6FMJP

not attested not anchored not stored refs pending

Polytropic dark matter flows illuminate dark energy and accelerated expansion

K. Kleidis, N. K. Spyrou

arxiv:1411.6789 v1 · 2014-11-25 · 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{J2Y7APKWOWECNJUJKKQLF6FMJP}

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	2026-05-18T02:20:30.498345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eb1f03d56758826a68952a0b2f8ac4bd3cd2440d3784585fbcede73657f6283

Aliases

arxiv: 1411.6789 · arxiv_version: 1411.6789v1 · doi: 10.48550/arxiv.1411.6789 · pith_short_12: J2Y7APKWOWEC · pith_short_16: J2Y7APKWOWECNJUJ · pith_short_8: J2Y7APKW

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/J2Y7APKWOWECNJUJKKQLF6FMJP \
  | 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: 4eb1f03d56758826a68952a0b2f8ac4bd3cd2440d3784585fbcede73657f6283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e66ba1d5fb55c3799670d16fc6d6540317fa479cbe79569657a45d636bd5f70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-11-25T10:11:47Z",
    "title_canon_sha256": "a9bfb4541cfbde29f5a7e6e34222b6aef631f0086d5246c6cb24169f4d31fa8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6789",
    "kind": "arxiv",
    "version": 1
  }
}