Pith Number

pith:DK35XYRX

pith:2012:DK35XYRXMI5YH4CUAD3F7AWKTH

not attested not anchored not stored refs pending

Star formation in luminous quasar host galaxies at z=1-2

Christopher P. O'Dea, David J. E. Floyd, James S. Dunlop, Marek J. Kukula, Michael J. I. Brown, Ross J. McLure, Stefi A. Baum

arxiv:1208.4143 v2 · 2012-08-21 · 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{DK35XYRXMI5YH4CUAD3F7AWKTH}

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	2026-05-18T01:55:08.963293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab7dbe237623b83f05400f65f82ca99c0219c5b6be7aa6d49e9d2b24ce99aa3

Aliases

arxiv: 1208.4143 · arxiv_version: 1208.4143v2 · doi: 10.48550/arxiv.1208.4143 · pith_short_12: DK35XYRXMI5Y · pith_short_16: DK35XYRXMI5YH4CU · pith_short_8: DK35XYRX

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/DK35XYRXMI5YH4CUAD3F7AWKTH \
  | 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: 1ab7dbe237623b83f05400f65f82ca99c0219c5b6be7aa6d49e9d2b24ce99aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9441d17a8c26dabd790355470fe0901e17938249252defaaf26681e03ab0be73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-21T00:09:45Z",
    "title_canon_sha256": "cebe0914e822d1179a6bb349a36a3da1adacbd615045ff3bd27624df347e7d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4143",
    "kind": "arxiv",
    "version": 2
  }
}