Pith Number

pith:N243UMAQ

pith:2011:N243UMAQFF52GVQQVDQMJ7XVIT

not attested not anchored not stored refs pending

A Comment on the Radiative Efficiency of AGN

Ari Laor, Shane Davis

arxiv:1110.0653 v1 · 2011-10-04 · 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{N243UMAQFF52GVQQVDQMJ7XVIT}

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	2026-05-18T04:11:41.255205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eb9ba3010297ba35610a8e0c4fef544cc0d10dab364b499855d02457f7bb17d

Aliases

arxiv: 1110.0653 · arxiv_version: 1110.0653v1 · doi: 10.48550/arxiv.1110.0653 · pith_short_12: N243UMAQFF52 · pith_short_16: N243UMAQFF52GVQQ · pith_short_8: N243UMAQ

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/N243UMAQFF52GVQQVDQMJ7XVIT \
  | 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: 6eb9ba3010297ba35610a8e0c4fef544cc0d10dab364b499855d02457f7bb17d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f7ba00b7884772071ccb2737018ab633a67d296cc0ed626a84569ed6fc9d216",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-04T12:18:23Z",
    "title_canon_sha256": "462b5925544f8116164d5566f71d4dcfc22e41ed5b0e78b6ba804cf9c17f0d95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0653",
    "kind": "arxiv",
    "version": 1
  }
}