Pith Number

pith:CTKC75UH

pith:1997:CTKC75UH33YTIF7EWB6IS6BJHR

not attested not anchored not stored refs pending

An Attempt to Determine the Largest Scale of Primordial Density Perturbations in the Universe

Arjun Berera, Gary Hinshaw, Li-Zhi Fang

arxiv:astro-ph/9703020 v3 · 1997-03-04 · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTKC75UH33YTIF7EWB6IS6BJHR}

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	2026-07-04T16:02:54.317522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5

Aliases

arxiv: astro-ph/9703020 · arxiv_version: astro-ph/9703020v3 · doi: 10.48550/arxiv.astro-ph/9703020 · pith_short_12: CTKC75UH33YT · pith_short_16: CTKC75UH33YTIF7E · pith_short_8: CTKC75UH

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/CTKC75UH33YTIF7EWB6IS6BJHR \
  | 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: 14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36af04abdd2f06ee3ccad9d3d68fcbe8e172822bc57e260f91026b59a655cfb8",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-04T15:26:34Z",
    "title_canon_sha256": "ac542c8380a5ea6496881b54eaf6fc38a1614f92cd259dd3c19988e7884e60be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703020",
    "kind": "arxiv",
    "version": 3
  }
}