Pith Number

pith:3MVJUY65

pith:2009:3MVJUY65LQEMIG2IPIZGZRCIN3

not attested not anchored not stored refs pending

No Evidence of Quasar-Mode Feedback in a Four-Way Group Merger at z~0.84

Brian C. Lemaux, Christopher D. Fassnacht, Dale D. Kocevski, Gordon K. Squires, Lori M. Lubin, Roy R. Gal

arxiv:0910.0836 v1 · 2009-10-05 · 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{3MVJUY65LQEMIG2IPIZGZRCIN3}

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	2026-05-18T04:29:42.389787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db2a9a63dd5c08c41b487a326cc4486ee2a61c3050885536c30c8ec4ef34bbb3

Aliases

arxiv: 0910.0836 · arxiv_version: 0910.0836v1 · doi: 10.48550/arxiv.0910.0836 · pith_short_12: 3MVJUY65LQEM · pith_short_16: 3MVJUY65LQEMIG2I · pith_short_8: 3MVJUY65

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/3MVJUY65LQEMIG2IPIZGZRCIN3 \
  | 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: db2a9a63dd5c08c41b487a326cc4486ee2a61c3050885536c30c8ec4ef34bbb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "500278251f631aa8906047686831baf7b6bf2269d45806d9a36ef36f6153080f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-05T20:00:02Z",
    "title_canon_sha256": "7d0e97029417a693d1c1f1dd1889eee91935ecb0e18287b0804427a176504314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0836",
    "kind": "arxiv",
    "version": 1
  }
}