Pith Number

pith:4YCPP6MT

pith:2013:4YCPP6MT5DGUTMZIDUY42ZIYGI

not attested not anchored not stored refs pending

The prevalence of AGN feedback in massive galaxies at z~1

Chris Simpson, Omar Almaini, Paul Westoby, Rob Ivison, Vinod Arumugam, Will Hartley

arxiv:1307.0502 v1 · 2013-07-01 · 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{4YCPP6MT5DGUTMZIDUY42ZIYGI}

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	2026-05-18T01:49:01.007751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e604f7f993e8cd49b3281d31cd65183206562d40e941f27e97630196945bb864

Aliases

arxiv: 1307.0502 · arxiv_version: 1307.0502v1 · doi: 10.48550/arxiv.1307.0502 · pith_short_12: 4YCPP6MT5DGU · pith_short_16: 4YCPP6MT5DGUTMZI · pith_short_8: 4YCPP6MT

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/4YCPP6MT5DGUTMZIDUY42ZIYGI \
  | 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: e604f7f993e8cd49b3281d31cd65183206562d40e941f27e97630196945bb864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9943d0d5795f6ed43c175d17f054ccde6f3ed3dbe2e9357f621ecc2ac45315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-01T20:00:00Z",
    "title_canon_sha256": "c9b4919f68041e2a4df85dcecd5d8550c71b9a8e7750ed9fff7748e5680f6823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0502",
    "kind": "arxiv",
    "version": 1
  }
}