Pith Number

pith:H2VA5GWN

pith:2017:H2VA5GWN2LKE56USHRYJ5IBSFF

not attested not anchored not stored refs pending

Warm dark matter constraints from high-$z$ Direct Collapse Black Holes using the JWST

Fabio Pacucci, Pratika Dayal, Tirthankar Roy Choudhury, Volker Bromm

arxiv:1705.00632 v2 · 2017-05-01 · 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{H2VA5GWN2LKE56USHRYJ5IBSFF}

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	2026-05-18T00:32:43.304209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eaa0e9acdd2d44efa923c709ea032294caed9bd095ec93745dc5eefa3aa9afa

Aliases

arxiv: 1705.00632 · arxiv_version: 1705.00632v2 · doi: 10.48550/arxiv.1705.00632 · pith_short_12: H2VA5GWN2LKE · pith_short_16: H2VA5GWN2LKE56US · pith_short_8: H2VA5GWN

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/H2VA5GWN2LKE56USHRYJ5IBSFF \
  | 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: 3eaa0e9acdd2d44efa923c709ea032294caed9bd095ec93745dc5eefa3aa9afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78a086296259bc4635966450d1720eb7944642f578091e53add0e4896f8ba5eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-05-01T18:00:38Z",
    "title_canon_sha256": "ba6ee716a0d4e6ea48c6e2d6e00bc092f27e204703352dfc1b9ff63d3e7b1341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00632",
    "kind": "arxiv",
    "version": 2
  }
}