Pith Number

pith:QBBUDANG

pith:2015:QBBUDANGS2ZRWBV6NS2HZH5IA3

not attested not anchored not stored refs pending

Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite

Qing-Guo Huang, Sai Wang, Wen Zhao

arxiv:1509.02676 v1 · 2015-09-09 · astro-ph.CO · gr-qc · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBBUDANGS2ZRWBV6NS2HZH5IA3}

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	2026-05-18T01:29:44.739443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80434181a696b31b06be6cb47c9fa806f6832dc53f09ce3677d5b7a1426196f8

Aliases

arxiv: 1509.02676 · arxiv_version: 1509.02676v1 · doi: 10.48550/arxiv.1509.02676 · pith_short_12: QBBUDANGS2ZR · pith_short_16: QBBUDANGS2ZRWBV6 · pith_short_8: QBBUDANG

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/QBBUDANGS2ZRWBV6NS2HZH5IA3 \
  | 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: 80434181a696b31b06be6cb47c9fa806f6832dc53f09ce3677d5b7a1426196f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e3631f039f13caf90f4b570cf9bd5546477212086c5e5360d8f8f5d207e29db",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-09T08:23:22Z",
    "title_canon_sha256": "fb2258aec293cc291b729884d3eeebe2d65e637ff3b759fe84f6bb1334709f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02676",
    "kind": "arxiv",
    "version": 1
  }
}