Pith Number

pith:AEBZBPLM

pith:2018:AEBZBPLM72DCLL5MKYNNWMWVXE

not attested not anchored not stored refs pending

Role of primordial black holes in the direct collapse scenario of supermassive black hole formation at high redshifts

A. Mangalam (Indian Institute of Astrophysics), Kanhaiya L. Pandey

arxiv:1801.06649 v2 · 2018-01-20 · astro-ph.GA · 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{AEBZBPLM72DCLL5MKYNNWMWVXE}

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	2026-05-18T00:10:38.613986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

010390bd6cfe8625afac561adb32d5b90787ce466681e44d81d1d8a772ab23f8

Aliases

arxiv: 1801.06649 · arxiv_version: 1801.06649v2 · doi: 10.48550/arxiv.1801.06649 · pith_short_12: AEBZBPLM72DC · pith_short_16: AEBZBPLM72DCLL5M · pith_short_8: AEBZBPLM

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/AEBZBPLM72DCLL5MKYNNWMWVXE \
  | 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: 010390bd6cfe8625afac561adb32d5b90787ce466681e44d81d1d8a772ab23f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda383c16d6216d9cd48f9296b4f5657cba076bd5474bf673925140f6405e681",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-20T10:41:38Z",
    "title_canon_sha256": "9fd1b11aa961c771e5821ccdf96087e1df43e35ecc20ef25be2d4ebe3b1a43ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06649",
    "kind": "arxiv",
    "version": 2
  }
}