Pith Number

pith:26XJ4XD5

pith:2012:26XJ4XD5EGPFIL6DAR23VTBCN4

not attested not anchored not stored refs pending

Measuring primordial gravitational waves from CMB B-modes in cosmologies with generalized expansion histories

Carlo Baccigalupi, Claudia Antolini, Matteo Martinelli, Yabebal Fantaye

arxiv:1208.3960 v3 · 2012-08-20 · 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{26XJ4XD5EGPFIL6DAR23VTBCN4}

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	2026-05-18T02:58:22.163124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7ae9e5c7d219e542fc30475bacc226f173afe668178fe102f7c9a3803eefba0

Aliases

arxiv: 1208.3960 · arxiv_version: 1208.3960v3 · doi: 10.48550/arxiv.1208.3960 · pith_short_12: 26XJ4XD5EGPF · pith_short_16: 26XJ4XD5EGPFIL6D · pith_short_8: 26XJ4XD5

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/26XJ4XD5EGPFIL6DAR23VTBCN4 \
  | 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: d7ae9e5c7d219e542fc30475bacc226f173afe668178fe102f7c9a3803eefba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ddc129a1fe827e134a1d60aae99e1f01ea7e426aa5d3551445719500a8c7240",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-20T09:53:54Z",
    "title_canon_sha256": "2fd70ab711d88336fa62f9be2eacfc083275952a03ffc001641995aa62f25d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3960",
    "kind": "arxiv",
    "version": 3
  }
}