Pith Number

pith:4VECKPEB

pith:2017:4VECKPEBROE7RFH2PZH7IY2QRO

not attested not anchored not stored refs pending

Characterizing the WISE-selected Heavily Obscured Quasar Population with Optical Spectroscopy from the Southern African Large Telescope

C. M. Carroll, K. N. Hainline, M. A. DiPompeo, M. L. Jones, R. C. Hickox, R. E. Hviding (Dartmouth), W. Yan

arxiv:1711.01269 v1 · 2017-11-03 · 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{4VECKPEBROE7RFH2PZH7IY2QRO}

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	2026-05-18T00:27:18.326969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e548253c818b89f894fa7e4ff463508b86c3062ec6090dc28a9dd289203070cd

Aliases

arxiv: 1711.01269 · arxiv_version: 1711.01269v1 · doi: 10.48550/arxiv.1711.01269 · pith_short_12: 4VECKPEBROE7 · pith_short_16: 4VECKPEBROE7RFH2 · pith_short_8: 4VECKPEB

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/4VECKPEBROE7RFH2PZH7IY2QRO \
  | 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: e548253c818b89f894fa7e4ff463508b86c3062ec6090dc28a9dd289203070cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc244f3013e35cbc669a4b03cd80702d855164978064cc507fe35461b8c92b92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-03T18:00:00Z",
    "title_canon_sha256": "3f68b21e182171efd9649e00ee6cd7755d7ebcd44c4ed49977ea02363c0eb87f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01269",
    "kind": "arxiv",
    "version": 1
  }
}