Pith Number

pith:ECSCQLQ2

pith:2017:ECSCQLQ2FMA6OV5XMCYCQYCGIK

not attested not anchored not stored refs pending

Fragmentation inside atomic cooling haloes exposed to Lyman-Werner radiation

John A. Regan, Turlough P. Downes

arxiv:1708.07772 v2 · 2017-08-25 · astro-ph.GA

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

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

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-05-18T00:24:51.887883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a4282e1a2b01e757b760b028604642906f2089ab849441f1ef40f456a0d58b

Aliases

arxiv: 1708.07772 · arxiv_version: 1708.07772v2 · doi: 10.48550/arxiv.1708.07772 · pith_short_12: ECSCQLQ2FMA6 · pith_short_16: ECSCQLQ2FMA6OV5X · pith_short_8: ECSCQLQ2

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/ECSCQLQ2FMA6OV5XMCYCQYCGIK \
  | 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: 20a4282e1a2b01e757b760b028604642906f2089ab849441f1ef40f456a0d58b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "221c90e8b47b936a76687807171f40cc64c1347c95862f0d10d492a67b2a0651",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-25T15:20:46Z",
    "title_canon_sha256": "bff97b581c94a2c632048d103c948b4d9296895e75ece22ba5e85a4ddfc63213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07772",
    "kind": "arxiv",
    "version": 2
  }
}