Pith Number

pith:42T72XVB

pith:2025:42T72XVBZJMEL3CO3Y7NZ4WTO6

not attested not anchored not stored refs pending

AGN Feedback Efficiency of NAL Quasars

Jane C. Charlton, Michael Eracleous, Toru Misawa

arxiv:2507.23328 v1 · 2025-07-31 · 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{42T72XVBZJMEL3CO3Y7NZ4WTO6}

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	2026-07-05T11:46:10.097614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a7fd5ea1ca5845ec4ede3edcf2d37792736102b1cc68b6dfa6097d3d4584dd

Aliases

arxiv: 2507.23328 · arxiv_version: 2507.23328v1 · doi: 10.48550/arxiv.2507.23328 · pith_short_12: 42T72XVBZJME · pith_short_16: 42T72XVBZJMEL3CO · pith_short_8: 42T72XVB

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/42T72XVBZJMEL3CO3Y7NZ4WTO6 \
  | 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: e6a7fd5ea1ca5845ec4ede3edcf2d37792736102b1cc68b6dfa6097d3d4584dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0690168c2f56269dc8dabfa85b3aeec040150712ed9cd37c3e4d3c5e72141633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-31T08:16:31Z",
    "title_canon_sha256": "48b81f1042f149b4811656e20a5bf10f2a083c563efb73b74a7a1069c8fbd217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23328",
    "kind": "arxiv",
    "version": 1
  }
}