Pith Number

pith:YJ5C26YP

pith:2018:YJ5C26YPBCTM636UV4XWO4TYHR

not attested not anchored not stored refs pending

Probing primordial features with the primary CMB

Mario Ballardini

arxiv:1807.05521 v2 · 2018-07-15 · 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{YJ5C26YPBCTM636UV4XWO4TYHR}

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	2026-05-17T23:51:49.264869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c27a2d7b0f08a6cf6fd4af2f6772783c6b2d28f6975c27c7a47f291bc29933e1

Aliases

arxiv: 1807.05521 · arxiv_version: 1807.05521v2 · doi: 10.48550/arxiv.1807.05521 · pith_short_12: YJ5C26YPBCTM · pith_short_16: YJ5C26YPBCTM636U · pith_short_8: YJ5C26YP

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/YJ5C26YPBCTM636UV4XWO4TYHR \
  | 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: c27a2d7b0f08a6cf6fd4af2f6772783c6b2d28f6975c27c7a47f291bc29933e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40affcbb85a955491d81d3f41d2c092812cb69746e576114a5d698043e4b64b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-15T10:14:14Z",
    "title_canon_sha256": "32646cbea666c7752e11db46f180cbb02b38c987170a384d5bc245947a43a552"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05521",
    "kind": "arxiv",
    "version": 2
  }
}