Pith Number

pith:D67NN6I3

pith:2004:D67NN6I343OI3ZTFVXAPO2ME6S

not attested not anchored not stored refs pending

Gravitino production by primordial black hole evaporation and constraints on the inhomogeneity of the early Universe

A. Barrau, J. Grain, M. Yu Khlopov

arxiv:astro-ph/0406621 v2 · 2004-06-28 · astro-ph · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D67NN6I343OI3ZTFVXAPO2ME6S}

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

2 papers in Pith

Tachyonic gravitational dark matter production after inflation

Constraints on Primordial Black Holes

Receipt and verification

First computed	2026-07-04T16:44:12.166346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fbed6f91be6dc8de665adc0f76984f4b1a7fc0a10882719dde777ac5b50ed90

Aliases

arxiv: astro-ph/0406621 · arxiv_version: astro-ph/0406621v2 · doi: 10.48550/arxiv.astro-ph/0406621 · pith_short_12: D67NN6I343OI · pith_short_16: D67NN6I343OI3ZTF · pith_short_8: D67NN6I3

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/D67NN6I343OI3ZTFVXAPO2ME6S \
  | 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: 1fbed6f91be6dc8de665adc0f76984f4b1a7fc0a10882719dde777ac5b50ed90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53cd030df60f9ee8d904f9be33613f25772d39df84600c243ad8f95a6c291e00",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-28T15:04:53Z",
    "title_canon_sha256": "ba20011d32bb45d22793279802d51ec27b85bd6e61dd75e75da1e8b01f908000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406621",
    "kind": "arxiv",
    "version": 2
  }
}