Pith Number

pith:3L6TVYT5

pith:2009:3L6TVYT5OLQK5EPHROSJOGOYFL

not attested not anchored not stored refs pending

New constraints on the primordial black hole number density from Galactic gamma-ray astronomy

I. Grenier, J.-M. Casandjian, M. Casse, R. Lehoucq

arxiv:0906.1648 v1 · 2009-06-09 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3L6TVYT5OLQK5EPHROSJOGOYFL}

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

Primordial Black Holes as Dark Matter: Recent Developments

Constraints on Primordial Black Holes

Receipt and verification

First computed	2026-05-18T02:13:21.382417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dafd3ae27d72e0ae91e78ba49719d82add76c4ad286332cf4d644783c1f04fdf

Aliases

arxiv: 0906.1648 · arxiv_version: 0906.1648v1 · doi: 10.48550/arxiv.0906.1648 · pith_short_12: 3L6TVYT5OLQK · pith_short_16: 3L6TVYT5OLQK5EPH · pith_short_8: 3L6TVYT5

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/3L6TVYT5OLQK5EPHROSJOGOYFL \
  | 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: dafd3ae27d72e0ae91e78ba49719d82add76c4ad286332cf4d644783c1f04fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "892ba9617b9a549607fb11039fd5eecac5167bcb532ccb287af7c4fd5d4c74c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-09T07:17:42Z",
    "title_canon_sha256": "e3518fe13d58cd0fd8413a5930b34372f0778f782383b3f0e896a86500ef353f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1648",
    "kind": "arxiv",
    "version": 1
  }
}