Pith Number

pith:PYTBL6EQ

pith:2019:PYTBL6EQO7RL7D6OF7N4Q7CRFL

not attested not anchored not stored refs pending

High Redshift Obscured Quasars and the Need for Optical to NIR, Massively Multiplexed, Spectroscopic Facilities

Andreea Petric, Andy Sheinis, Christopher O'Dea, Claudia D.P. Lagos, Daryl Haggard, Dragana Ilic, Luka Popovi\'c, Mark Lacy, Nicolas Flagey, Nimish Hathi, Patrick B. Hall, St\'ephanie Juneau, Xiaohui Fan, Xin Liu, Yiping Wang, Yjan Gordon, Yongquan Xue, Yue Shen

arxiv:1905.10489 v1 · 2019-05-25 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYTBL6EQO7RL7D6OF7N4Q7CRFL}

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	2026-05-17T23:45:08.365542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2615f89077e2bf8fce2fdbc87c512ae14124e8651872f044d71842b505fd06

Aliases

arxiv: 1905.10489 · arxiv_version: 1905.10489v1 · doi: 10.48550/arxiv.1905.10489 · pith_short_12: PYTBL6EQO7RL · pith_short_16: PYTBL6EQO7RL7D6O · pith_short_8: PYTBL6EQ

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/PYTBL6EQO7RL7D6OF7N4Q7CRFL \
  | 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: 7e2615f89077e2bf8fce2fdbc87c512ae14124e8651872f044d71842b505fd06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae156fe9184be9116554b4502d2d1e95b64e5d0c736c1d67ead8c08712b92b48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-25T00:20:22Z",
    "title_canon_sha256": "d8657f0c1c09f63a60e4403145231db28cff404644a812247290ec76aaceae93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10489",
    "kind": "arxiv",
    "version": 1
  }
}