Pith Number

pith:KSGPX4GQ

pith:2014:KSGPX4GQYMOYD64KV47GDDGL34

not attested not anchored not stored refs pending

The High A(V) Quasar Survey: Reddened quasi-stellar objects selected from optical/near-infrared photometry - II

B. P. Venemans, C. Ledoux, F. G. Saturni, J.-K. Krogager, J. P. U. Fynbo, M. Vestergaard, O. Smirnova, P. M{\o}ller, P. Noterdaeme, S. Geier, T. Kangas, T. Pursimo

arxiv:1410.7783 v2 · 2014-10-28 · astro-ph.GA · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSGPX4GQYMOYD64KV47GDDGL34}

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	2026-05-18T01:41:39.095963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548cfbf0d0c31d81fb8aaf3e618ccbdf386fcd32e504cf2e596c42486b0fdd95

Aliases

arxiv: 1410.7783 · arxiv_version: 1410.7783v2 · doi: 10.48550/arxiv.1410.7783 · pith_short_12: KSGPX4GQYMOY · pith_short_16: KSGPX4GQYMOYD64K · pith_short_8: KSGPX4GQ

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/KSGPX4GQYMOYD64KV47GDDGL34 \
  | 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: 548cfbf0d0c31d81fb8aaf3e618ccbdf386fcd32e504cf2e596c42486b0fdd95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6c146c884fb0fea0f09006ccb163c2df467f6cf01f88bee263d561d4d1ca161",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-28T20:00:37Z",
    "title_canon_sha256": "6dc92455a2158bd59c3499a9bfadc237dc6aaaf8f88e03da462dd45275a80f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7783",
    "kind": "arxiv",
    "version": 2
  }
}