Pith Number

pith:IN2O2IHF

pith:2017:IN2O2IHFKNWN2QTRYFCDJI6XGJ

not attested not anchored not stored refs pending

The physical driver of the optical Eigenvector 1 in Quasar Main Sequence

Bozena Czerny, Conor Wildy, Swayamtrupta Panda

arxiv:1710.10180 v1 · 2017-10-27 · astro-ph.HE · 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{IN2O2IHFKNWN2QTRYFCDJI6XGJ}

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	2026-05-18T00:31:54.583158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4374ed20e5536cdd4271c14434a3d73273e1a2a1c98104d578b338697469e700

Aliases

arxiv: 1710.10180 · arxiv_version: 1710.10180v1 · doi: 10.48550/arxiv.1710.10180 · pith_short_12: IN2O2IHFKNWN · pith_short_16: IN2O2IHFKNWN2QTR · pith_short_8: IN2O2IHF

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/IN2O2IHFKNWN2QTRYFCDJI6XGJ \
  | 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: 4374ed20e5536cdd4271c14434a3d73273e1a2a1c98104d578b338697469e700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e5f455ec9539d521efdca143cef998fbb341f0823eeba9de91136ede7a330c5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-27T14:49:59Z",
    "title_canon_sha256": "639dbc5a7d715284db5e7fe120e753704f7d6e079b1d99c7d9879f66650a650a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10180",
    "kind": "arxiv",
    "version": 1
  }
}