Pith Number

pith:OE4DQURK

pith:2025:OE4DQURKIBJVGCOUJNLGSWIQXC

not attested not anchored not stored refs pending

Understanding the Evolution of Black Hole Accretion and Dust out to z=4 with a Deep Imaging Extragalactic Survey with PRIMA

Andreas L. Faisst, Carlotta Gruppioni, Chian-Chou Chen, Laure Ciesla

arxiv:2509.01674 v1 · 2025-09-01 · 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{OE4DQURKIBJVGCOUJNLGSWIQXC}

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	2026-07-05T12:03:05.917030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

713838522a40535309d44b56695910b8a68403dc15b07b76fa7a2d2d90b5fd21

Aliases

arxiv: 2509.01674 · arxiv_version: 2509.01674v1 · doi: 10.48550/arxiv.2509.01674 · pith_short_12: OE4DQURKIBJV · pith_short_16: OE4DQURKIBJVGCOU · pith_short_8: OE4DQURK

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/OE4DQURKIBJVGCOUJNLGSWIQXC \
  | 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: 713838522a40535309d44b56695910b8a68403dc15b07b76fa7a2d2d90b5fd21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1771e0c58d87c5923b1033830310683858aefb376659a33836fe296c9642db51",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-01T18:00:19Z",
    "title_canon_sha256": "7f3cd0e64fa1578d7629d84a7f7fbb90123ff760945e2535f1abdfdfc28dd677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01674",
    "kind": "arxiv",
    "version": 1
  }
}