Pith Number

pith:LZAKNIUW

pith:2018:LZAKNIUWS656ZIV4H7H6E3IBIP

not attested not anchored not stored refs pending

The Dark Matter equation of state through cosmic history

Constantinos Skordis, Daniel B. Thomas, Michael Kopp, St\'ephane Ili\'c

arxiv:1802.09541 v2 · 2018-02-26 · 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{LZAKNIUWS656ZIV4H7H6E3IBIP}

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	2026-05-18T00:13:50.718356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e40a6a29697bbeca2bc3fcfe26d0143c1e844bbc8491315990c5ae2e6defa42

Aliases

arxiv: 1802.09541 · arxiv_version: 1802.09541v2 · doi: 10.48550/arxiv.1802.09541 · pith_short_12: LZAKNIUWS656 · pith_short_16: LZAKNIUWS656ZIV4 · pith_short_8: LZAKNIUW

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/LZAKNIUWS656ZIV4H7H6E3IBIP \
  | 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: 5e40a6a29697bbeca2bc3fcfe26d0143c1e844bbc8491315990c5ae2e6defa42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e550e1176b4e774c7d3dd85e82db690ff20f4c8944fb8a42cdd7179ab26a18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-02-26T19:00:03Z",
    "title_canon_sha256": "e2ddb04547c12d4e3c1d5d0e86638f6f2f71a490fec4f8085703ffca365abf58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09541",
    "kind": "arxiv",
    "version": 2
  }
}