Pith Number

pith:QHKRHXHF

pith:2025:QHKRHXHFCMPHTUI24MHKZFFYQU

not attested not anchored not stored refs pending

Measurements of the z=4-10 X-ray Luminosity Function: the high space density of moderate-luminosity, obscured AGN

C. L. Barlow-Hall, J. Aird

arxiv:2506.16145 v1 · 2025-06-19 · astro-ph.HE · 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{QHKRHXHFCMPHTUI24MHKZFFYQU}

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.

Cited by

1 paper in Pith

Supermassive Black Hole Assembly from Heavy Seeds with Dynamical Friction in the BRAHMA Simulations: Implications for JWST, LISA, and the Local Universe

Receipt and verification

First computed	2026-07-05T11:24:31.381251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d513dce5131e79d11ae30eac94b8853a8cb3dc7922ca0de41179876578c6c5

Aliases

arxiv: 2506.16145 · arxiv_version: 2506.16145v1 · doi: 10.48550/arxiv.2506.16145 · pith_short_12: QHKRHXHFCMPH · pith_short_16: QHKRHXHFCMPHTUI2 · pith_short_8: QHKRHXHF

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/QHKRHXHFCMPHTUI24MHKZFFYQU \
  | 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: 81d513dce5131e79d11ae30eac94b8853a8cb3dc7922ca0de41179876578c6c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cfade05f745bfdf0b802fada7ad4b879cd966f7f9fed9d508d15be6662d11c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-06-19T08:57:49Z",
    "title_canon_sha256": "852bad8c066813e1468266cbb72b7eeeb69c49edceb662e2a947cafc0d128f89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16145",
    "kind": "arxiv",
    "version": 1
  }
}