Pith Number

pith:DWY445VQ

pith:2009:DWY445VQR2H3C2RVIS2WIHNU4D

not attested not anchored not stored refs pending

The big picture of AGN feedback: Black hole accretion and galaxy evolution in multiwavelength surveys

Ryan C. Hickox

arxiv:0909.4796 v1 · 2009-09-25 · astro-ph.GA · 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{DWY445VQR2H3C2RVIS2WIHNU4D}

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	2026-05-18T02:11:37.427907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1db1ce76b08e8fb16a3544b5641db4e0da7c10081dd10277da6f8242d3964358

Aliases

arxiv: 0909.4796 · arxiv_version: 0909.4796v1 · doi: 10.48550/arxiv.0909.4796 · pith_short_12: DWY445VQR2H3 · pith_short_16: DWY445VQR2H3C2RV · pith_short_8: DWY445VQ

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/DWY445VQR2H3C2RVIS2WIHNU4D \
  | 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: 1db1ce76b08e8fb16a3544b5641db4e0da7c10081dd10277da6f8242d3964358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a25d582c1ce8f1345189d2f4e31144e35b2b338091fa990fcc95d1e3dfd7e00",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-25T20:42:37Z",
    "title_canon_sha256": "c1d1ef55689bc8d62f83f2cada0f202c11a62e10aac28060e9bb585f8189bc86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4796",
    "kind": "arxiv",
    "version": 1
  }
}