Pith Number

pith:JMU6PEAG

pith:2016:JMU6PEAGDSF5VNU7ODNY3CIZNN

not attested not anchored not stored refs pending

Triggering the formation of direct collapse black holes by their congeners

Andrea Ferrara, Bin Yue, Fabio Pacucci, Kuzuyuki Omukai

arxiv:1612.07885 v2 · 2016-12-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMU6PEAGDSF5VNU7ODNY3CIZNN}

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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

Ultraviolet diversity of Little Red Dots as a probe for direct-collapse black hole ages

Receipt and verification

First computed	2026-05-18T00:47:05.048497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b29e790061c8bdab69f70db8d89196b5c0b54a663aa5c1b2bf1d6c0d3bfb07d

Aliases

arxiv: 1612.07885 · arxiv_version: 1612.07885v2 · doi: 10.48550/arxiv.1612.07885 · pith_short_12: JMU6PEAGDSF5 · pith_short_16: JMU6PEAGDSF5VNU7 · pith_short_8: JMU6PEAG

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/JMU6PEAGDSF5VNU7ODNY3CIZNN \
  | 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: 4b29e790061c8bdab69f70db8d89196b5c0b54a663aa5c1b2bf1d6c0d3bfb07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab87fa4e15a57509475230768ca0ade84dfdeebdd0eb908ec8d47328e633d8eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-23T06:36:16Z",
    "title_canon_sha256": "3dadc0e245efb088b27002c2d85caedbfc11e291451d10904b281cff170f7ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07885",
    "kind": "arxiv",
    "version": 2
  }
}