Pith Number

pith:ITUZU37E

pith:2012:ITUZU37EPYMTADCU5MIAIZLH3Z

not attested not anchored not stored refs pending

Heavily Obscured Quasar Host Galaxies at z~2 are Disks, Not Major Mergers

Brooke D. Simmons, Eilat Glikman, Ezequiel Treister, Kevin Schawinski, Megan Urry

arxiv:1206.4063 v1 · 2012-06-18 · 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{ITUZU37EPYMTADCU5MIAIZLH3Z}

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	2026-05-18T01:56:51.259180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e99a6fe47e19300c54eb10046567de4f804ba7cebf9860bd90beb95fd59146

Aliases

arxiv: 1206.4063 · arxiv_version: 1206.4063v1 · doi: 10.48550/arxiv.1206.4063 · pith_short_12: ITUZU37EPYMT · pith_short_16: ITUZU37EPYMTADCU · pith_short_8: ITUZU37E

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/ITUZU37EPYMTADCU5MIAIZLH3Z \
  | 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: 44e99a6fe47e19300c54eb10046567de4f804ba7cebf9860bd90beb95fd59146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eadd8ebe8a628cfff5f5f947621cb6b5065d82550e426ff31c9f65c749add9a1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-18T20:14:48Z",
    "title_canon_sha256": "08854728d33d100656e22d1b3cfcb7e697c92f286d4630b846fbe0e2392ccb22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4063",
    "kind": "arxiv",
    "version": 1
  }
}