Pith Number

pith:YIB23OBA

pith:2017:YIB23OBAQHESMMQUSGJX2PFR6W

not attested not anchored not stored refs pending

First Discoveries of z>6 Quasars with the DECam Legacy Survey and UKIRT Hemisphere Survey

Adam D. Myers, Andy Lawrence, Arjun Dey, David James, David J. Schlegel, Dustin Lang, Feige Wang, Fuyan Bian, Ian D. McGreer, Jiang-Tao Li, Jiani Ding, Jinyi Yang, Joseph R. Findlay, Linhua Jiang, Nicholas P. Ross, Qian Yang, Richard Green, Simon Dye, Tom Shanks, Xiaohui Fan, Xue-Bing Wu, Zefeng Li

arxiv:1703.07490 v1 · 2017-03-22 · 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{YIB23OBAQHESMMQUSGJX2PFR6W}

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	2026-05-18T00:46:12.161196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c203adb82081c926321491937d3cb1f5b86e01e942bcb0408fb0fe06389dc3ea

Aliases

arxiv: 1703.07490 · arxiv_version: 1703.07490v1 · doi: 10.48550/arxiv.1703.07490 · pith_short_12: YIB23OBAQHES · pith_short_16: YIB23OBAQHESMMQU · pith_short_8: YIB23OBA

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/YIB23OBAQHESMMQUSGJX2PFR6W \
  | 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: c203adb82081c926321491937d3cb1f5b86e01e942bcb0408fb0fe06389dc3ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2979b0f7ed6ba772a9b324ebf96a64d3d31cb351ccc2d3bac912fb0c7ace63b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-22T02:10:30Z",
    "title_canon_sha256": "18cbaeea038a41930c4ad24130565136a6ef881f61c0eda41aff185f0b90828a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07490",
    "kind": "arxiv",
    "version": 1
  }
}