Pith Number

pith:J2FR2ZIO

pith:1999:J2FR2ZIOIYHSZSMNC34JQISADL

not attested not anchored not stored refs pending

Constraining Isocurvature Fluctuations with the Planck Surveyor

Hannu Kurki-Suonio (Helsinki), Kari Enqvist

arxiv:astro-ph/9907221 v1 · 1999-07-16 · 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{J2FR2ZIOIYHSZSMNC34JQISADL}

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.

Cited by

1 paper in Pith

From inflation to hot big bang -- a tutorial on cosmological perturbations

Receipt and verification

First computed	2026-07-04T17:18:22.086558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e8b1d650e460f2cc98d16f89822401ac8341005094cb2355f8fdc2510d0068c

Aliases

arxiv: astro-ph/9907221 · arxiv_version: astro-ph/9907221v1 · doi: 10.48550/arxiv.astro-ph/9907221 · pith_short_12: J2FR2ZIOIYHS · pith_short_16: J2FR2ZIOIYHSZSMN · pith_short_8: J2FR2ZIO

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/J2FR2ZIOIYHSZSMNC34JQISADL \
  | 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: 4e8b1d650e460f2cc98d16f89822401ac8341005094cb2355f8fdc2510d0068c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4978a218ed16088120eb8cb9308c36548d6fae3f959d86d96df2b0d5ea952990",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-16T10:49:23Z",
    "title_canon_sha256": "eb45ac507f12aa88455eccf4622dc46e9fec7332c97af54bfa70bdebe073f0cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907221",
    "kind": "arxiv",
    "version": 1
  }
}