Pith Number

pith:SRDEDMNI

pith:2008:SRDEDMNIETEU6XNU3EBH4RWIER

not attested not anchored not stored refs pending

Eight-Dimensional Mid-Infrared/Optical Bayesian Quasar Selection

(2) Spitzer Science Center, (3) University of Illinois, (4) University of Portsmouth, (5) Institute for Advanced Study, (6) Penn State University, (7) Georgia Tech, (8) Johns Hopkins University), Adam D. Myers (3), Alexander G. Gray (7), Alexander S. Szalay (8) ((1) Drexel University, Andrew Ptak (8), Donald P. Schneider (6), Gordon T. Richards (1), John K. Parejko (1), Lisa J. Storrie-Lombardi (2), Mark Lacy (2), Nadia L. Zakamska (5), Rajesh P. Deo (1), Robert C. Nichol (4), Robert J. Brunner (3), W. N. Brandt (6)

arxiv:0810.3567 v2 · 2008-10-20 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRDEDMNIETEU6XNU3EBH4RWIER}

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	2026-05-18T04:35:46.359798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

944641b1a824c94f5db4d9027e46c824532a57caa1a04b5b88ff65a82057a120

Aliases

arxiv: 0810.3567 · arxiv_version: 0810.3567v2 · doi: 10.48550/arxiv.0810.3567 · pith_short_12: SRDEDMNIETEU · pith_short_16: SRDEDMNIETEU6XNU · pith_short_8: SRDEDMNI

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/SRDEDMNIETEU6XNU3EBH4RWIER \
  | 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: 944641b1a824c94f5db4d9027e46c824532a57caa1a04b5b88ff65a82057a120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "720d1edbf9f3c603b67a2f05fa459079bfdfa4b80be8577acda38bb2748f33c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-20T14:37:48Z",
    "title_canon_sha256": "31c164b10063d16b72cfe0673eac905ae7267ff0d848000c4808b740a276af2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3567",
    "kind": "arxiv",
    "version": 2
  }
}