Pith Number

pith:Y77RM7BC

pith:2016:Y77RM7BCOLBR2JFRGBBLQDYBUS

not attested not anchored not stored refs pending

Star Formation in Luminous Quasars at 2<z<3

Andreas Efstathiou, Anne Feltre, Asantha Cooray, Bernhard Schulz, David L. Clements, Dimitra Rigopoulou, Douglas Scott, Duncan Farrah, Eduardo Ibar, Evanthia Hatziminaoglou, Ismael Perez-Fournon, Joaquin Vieira, Kathryn Harris, Lingyu Wang, Lura K. Pitchford, Marco Viero, Mark Lacy, Mathew J. Page, Matthieu Bethermin, Myrto Symeonidis, Nick Anderson, Peter Hurley, Sara M. Petty, Scott Chapman, Sebastian Oliver

arxiv:1602.02755 v1 · 2016-02-08 · astro-ph.GA · 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{Y77RM7BCOLBR2JFRGBBLQDYBUS}

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	2026-05-18T01:20:32.000467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ff167c2272c31d24b13042b80f01a49d827886bcb13cfe4312451e407808bb

Aliases

arxiv: 1602.02755 · arxiv_version: 1602.02755v1 · doi: 10.48550/arxiv.1602.02755 · pith_short_12: Y77RM7BCOLBR · pith_short_16: Y77RM7BCOLBR2JFR · pith_short_8: Y77RM7BC

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/Y77RM7BCOLBR2JFRGBBLQDYBUS \
  | 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: c7ff167c2272c31d24b13042b80f01a49d827886bcb13cfe4312451e407808bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0010f6756009b7782ea11fb631148775be641155f5c19333bafab3fba856c06e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-08T21:00:02Z",
    "title_canon_sha256": "32674a54873dad8fd1e9e7493c2f625ad1cec46aacd69a950c3a722f689d0f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02755",
    "kind": "arxiv",
    "version": 1
  }
}