Pith Number

pith:TNOSXDI3

pith:2012:TNOSXDI3KCF6BOYZJBHMWZTY5H

not attested not anchored not stored refs pending

Constraints on primordial black holes as dark matter candidates from star formation

Fabio Capela, Maxim Pshirkov, Peter Tinyakov

arxiv:1209.6021 v3 · 2012-09-26 · astro-ph.CO · 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{TNOSXDI3KCF6BOYZJBHMWZTY5H}

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

Primordial Black Holes as Dark Matter: Recent Developments

Receipt and verification

First computed	2026-05-18T03:19:13.361338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b5d2b8d1b508be0bb19484ecb6678e9d7b6dcd43867f128beeee5a866e2d515

Aliases

arxiv: 1209.6021 · arxiv_version: 1209.6021v3 · doi: 10.48550/arxiv.1209.6021 · pith_short_12: TNOSXDI3KCF6 · pith_short_16: TNOSXDI3KCF6BOYZ · pith_short_8: TNOSXDI3

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/TNOSXDI3KCF6BOYZJBHMWZTY5H \
  | 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: 9b5d2b8d1b508be0bb19484ecb6678e9d7b6dcd43867f128beeee5a866e2d515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ecd873b40214931dc1dd9a761e487d834dda5879e43af012c44715e4ff8f89",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-26T18:13:42Z",
    "title_canon_sha256": "a039b3cda28a61a14e4c1999499e72a099cb48af640ee5b607d3ca20ad5b65d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6021",
    "kind": "arxiv",
    "version": 3
  }
}