Pith Number

pith:H6QY3T64

pith:2023:H6QY3T64DYCNLTFEGG4FN3O425

not attested not anchored not stored refs pending

Simultaneously probing the sound speed and equation of state of the early Universe with pulsar timing arrays

Lang Liu, You Wu, Zu-Cheng Chen

arxiv:2310.16500 v2 · 2023-10-25 · 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{H6QY3T64DYCNLTFEGG4FN3O425}

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.

Cited by

4 papers in Pith

Isotropy, anisotropies and non-Gaussianity in the scalar-induced gravitational-wave background: diagrammatic approach for primordial non-Gaussianity up to arbitrary order

Isocurvature Induced Gravitational Waves at Pulsar Timing Arrays

Transient Parity Violation during Inflation: Implications for PTA Gravitational Waves

Purely quadratic non-Gaussianity from tachyonic instability: Primordial black holes and scalar-induced gravitational waves

Receipt and verification

First computed	2026-07-05T10:39:15.788900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa18dcfdc1e04d5cca431b856eddcd76858435a8698e193f19623abbad0acc9

Aliases

arxiv: 2310.16500 · arxiv_version: 2310.16500v2 · doi: 10.48550/arxiv.2310.16500 · pith_short_12: H6QY3T64DYCN · pith_short_16: H6QY3T64DYCNLTFE · pith_short_8: H6QY3T64

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/H6QY3T64DYCNLTFEGG4FN3O425 \
  | 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: 3fa18dcfdc1e04d5cca431b856eddcd76858435a8698e193f19623abbad0acc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9df125d9082aafa0ba17f4e1212383f3cfab4bac2ff3f76fd49211914f6fa96",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-10-25T09:43:47Z",
    "title_canon_sha256": "e820a845283a35995636e6f0955850ad4b43a63b0e79e5744a60c964db1147e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.16500",
    "kind": "arxiv",
    "version": 2
  }
}