Pith Number

pith:M2KAVVBT

pith:2018:M2KAVVBTANIJC2DGRSHPDYLB7V

not attested not anchored not stored refs pending

Eigen-reconstruction of Perturbations to the Primordial Tensor Power Spectrum

A. Vafaei Sadr, M. Farhang

arxiv:1810.04572 v1 · 2018-10-10 · 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{M2KAVVBTANIJC2DGRSHPDYLB7V}

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	2026-05-17T23:49:11.418534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66940ad43303509168668c8ef1e161fd6cea47713cc9ed75b5fdaef4011ad618

Aliases

arxiv: 1810.04572 · arxiv_version: 1810.04572v1 · doi: 10.48550/arxiv.1810.04572 · pith_short_12: M2KAVVBTANIJ · pith_short_16: M2KAVVBTANIJC2DG · pith_short_8: M2KAVVBT

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/M2KAVVBTANIJC2DGRSHPDYLB7V \
  | 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: 66940ad43303509168668c8ef1e161fd6cea47713cc9ed75b5fdaef4011ad618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46c89260ebe4efa6430df658b2483947d12d1a3319b534291c7c65d38de2ba7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-10-10T15:00:32Z",
    "title_canon_sha256": "39184c138a5d48307c7824088cb7cfd3e4281732d53896e0da512111cee8cb4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04572",
    "kind": "arxiv",
    "version": 1
  }
}