Pith Number

pith:WCYXFEEF

pith:2014:WCYXFEEF2G3BN4A3FU7XLEC2UX

not attested not anchored not stored refs pending

The double formation of primordial black holes

Tomohiro Nakama

arxiv:1408.0955 v3 · 2014-08-05 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCYXFEEF2G3BN4A3FU7XLEC2UX}

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	2026-05-18T02:39:55.403871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b1729085d1b616f01b2d3f75905aa5e67d4e1a3b3bda4742110b8190b3882b

Aliases

arxiv: 1408.0955 · arxiv_version: 1408.0955v3 · doi: 10.48550/arxiv.1408.0955 · pith_short_12: WCYXFEEF2G3B · pith_short_16: WCYXFEEF2G3BN4A3 · pith_short_8: WCYXFEEF

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/WCYXFEEF2G3BN4A3FU7XLEC2UX \
  | 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: b0b1729085d1b616f01b2d3f75905aa5e67d4e1a3b3bda4742110b8190b3882b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b70fcfe70736597b1125f26c10b712dc9c21bc3252b920fbee45a53d1c7e54",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-08-05T13:17:49Z",
    "title_canon_sha256": "5a3abf9df071d9c991a798f8f321d0995215a2b87912f072673e4a3114ce572c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0955",
    "kind": "arxiv",
    "version": 3
  }
}