Pith Number

pith:DDBW43CO

pith:2016:DDBW43COGQFEZ3EH7VIJHENE5A

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Quasar Catalog: twelfth data release

Adam D. Myers, Alina Streblyanska, Andrea Merloni, Andreu Font-Ribera, Antonis Georgakakis, Audrey Simmons, Christophe Y\`eche, Daniel Oravetz, David H. Weinberg, David J. Schlegel, Dmitry Bizyaev, Donald P. Schneider, Elena Malanushenko, \'Eric Armengaud, \'Eric Aubourg, Francisco Prada, Franco D. Albareti, Fred Hamann, Isabelle P\^aris, Jian Ge, Jo Bovy, Johan Comparat, Johannes Buchner, Kaike Pan, Karen Kinemuchi, Kirpal Nandra, Linhua Jian, Liu Zhu, Mara Salvato, Marcella Brusa, Marie-Luise Menzel, Matteo Viel, Matthew M. Pieri, Michael A. Strauss, Nathalie Palanque-Delabrouille, Nicholas P. Ross, Pasquier Noterdaeme, Patrick B. Hall, Patrick Petitjean, Richard G. McMahon, Rupert A.C. Croft, Stephen Bailey, Tom Dwelly, Viktor Malanushenko, W. Niel Brandt, Xiaohui Fan

arxiv:1608.06483 v1 · 2016-08-23 · 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{DDBW43COGQFEZ3EH7VIJHENE5A}

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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.

Cited by

1 paper in Pith

A Giant Ring on the sky

Receipt and verification

First computed	2026-05-18T00:53:07.685687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e

Aliases

arxiv: 1608.06483 · arxiv_version: 1608.06483v1 · doi: 10.48550/arxiv.1608.06483 · pith_short_12: DDBW43COGQFE · pith_short_16: DDBW43COGQFEZ3EH · pith_short_8: DDBW43CO

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/DDBW43COGQFEZ3EH7VIJHENE5A \
  | 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: 18c36e6c4e340a4cec87fd509391a4e80b6a51b83ab1cd9da12f5fff34376e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e2e2de03ec6986375096bab59fc3510becb643224883a031fecb69a95e3ead",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-23T12:31:44Z",
    "title_canon_sha256": "df31a48e96f0e949bfd9044a36dad1e23e8634671a06d4b94ede52a0ae1dd01b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06483",
    "kind": "arxiv",
    "version": 1
  }
}