Pith Number

pith:M7CQDBK5

pith:2009:M7CQDBK57H27QPCTLHZ2DZZNNR

not attested not anchored not stored refs pending

Active Galactic Nuclei and the Truncation of Star Formation in K+A Galaxies

Arjun Dey, Buell T. Jannuzi, David Palamara, Dennis Zaritsky, John Moustakas, Michael J. I. Brown, Nelson Caldwell, Richard J. Cool, Ryan Hickox, Stephen S. Murray

arxiv:0907.3185 v1 · 2009-07-18 · astro-ph.GA · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7CQDBK57H27QPCTLHZ2DZZNNR}

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	2026-05-18T02:12:55.929078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c501855df9f5f83c5359f3a1e72d6c5351e2bbb0706af7a5786e49f1421dce

Aliases

arxiv: 0907.3185 · arxiv_version: 0907.3185v1 · doi: 10.48550/arxiv.0907.3185 · pith_short_12: M7CQDBK57H27 · pith_short_16: M7CQDBK57H27QPCT · pith_short_8: M7CQDBK5

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/M7CQDBK57H27QPCTLHZ2DZZNNR \
  | 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: 67c501855df9f5f83c5359f3a1e72d6c5351e2bbb0706af7a5786e49f1421dce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9623b899dff5e3828bd7abd88fda328946671c45068e6d8f9ee9a230b7b902ed",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-18T06:59:32Z",
    "title_canon_sha256": "7ac3fefa4088032af57237a3583fdba2d0c866e809c3a0b46cfa8095b479d13c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3185",
    "kind": "arxiv",
    "version": 1
  }
}