Pith Number

pith:H3ZYXCJ7

pith:2016:H3ZYXCJ7GD2VRW5QR3JXG2KBVA

not attested not anchored not stored refs pending

Spectroscopic Identification of Type 2 Quasars at Z < 1 in SDSS-III/BOSS

JHU), Michael A. Strauss (Princeton), Nadia L. Zakamska (IAS, Sihan Yuan (Princeton)

arxiv:1606.04976 v4 · 2016-06-15 · 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{H3ZYXCJ7GD2VRW5QR3JXG2KBVA}

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.

Cited by

1 paper in Pith

COOL-LAMPS IX: A Rare Duo of Quasars Each Lensed by a Single Massive Galaxy Cluster

Receipt and verification

First computed	2026-05-18T00:48:37.274078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ef38b893f30f558dbb08ed3736941a80f3b02ec013d76dce60572f08f2a32fa

Aliases

arxiv: 1606.04976 · arxiv_version: 1606.04976v4 · doi: 10.48550/arxiv.1606.04976 · pith_short_12: H3ZYXCJ7GD2V · pith_short_16: H3ZYXCJ7GD2VRW5Q · pith_short_8: H3ZYXCJ7

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/H3ZYXCJ7GD2VRW5QR3JXG2KBVA \
  | 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: 3ef38b893f30f558dbb08ed3736941a80f3b02ec013d76dce60572f08f2a32fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aea6a9aecd5b19f89f8de56411830e2d658a29a5777f0bd1217b6e74768951cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-15T20:44:02Z",
    "title_canon_sha256": "5f3bd71bf6ef97ddd9dfa6747594e76f75e4f56d8b0b771ab562efaae3e607b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04976",
    "kind": "arxiv",
    "version": 4
  }
}