Pith Number

pith:X4CXW2OU

pith:2010:X4CXW2OU3CG3ITMU5RSKLJYQSM

not attested not anchored not stored refs pending

A simple model for AGN feedback in nearby early-type galaxies

Joseph Silk, Kevin Schawinski, Stanislav S. Shabala, Sugata Kaviraj

arxiv:1008.1583 v2 · 2010-08-09 · 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{X4CXW2OU3CG3ITMU5RSKLJYQSM}

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	2026-05-18T02:05:50.058539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf057b69d4d88db44d94ec64a5a710930c2954182626ffd5970afeaa67a7c529

Aliases

arxiv: 1008.1583 · arxiv_version: 1008.1583v2 · doi: 10.48550/arxiv.1008.1583 · pith_short_12: X4CXW2OU3CG3 · pith_short_16: X4CXW2OU3CG3ITMU · pith_short_8: X4CXW2OU

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/X4CXW2OU3CG3ITMU5RSKLJYQSM \
  | 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: bf057b69d4d88db44d94ec64a5a710930c2954182626ffd5970afeaa67a7c529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b142b4b7554b76de351101333d3d1323e3fd113fee1434ec2774cf66b96f6ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-09T20:02:29Z",
    "title_canon_sha256": "bd2c39a5fa4c4142e2f9d1036417128136634603119d634db6d8dee225f5293b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1583",
    "kind": "arxiv",
    "version": 2
  }
}