Pith Number

pith:3JXUQG7W

pith:2017:3JXUQG7WI5FELCTOO5IAEPC7JH

not attested not anchored not stored refs pending

Quasar emission lines as probes of orientation: implications for disc wind geometries and unification

Christian Knigge, James H. Matthews, Knox S. Long

arxiv:1701.07037 v1 · 2017-01-24 · 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{3JXUQG7WI5FELCTOO5IAEPC7JH}

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	2026-05-18T00:51:11.639550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da6f481bf6474a458a6e7750023c5f49c36691896edbcba81de517c8bebb6242

Aliases

arxiv: 1701.07037 · arxiv_version: 1701.07037v1 · doi: 10.48550/arxiv.1701.07037 · pith_short_12: 3JXUQG7WI5FE · pith_short_16: 3JXUQG7WI5FELCTO · pith_short_8: 3JXUQG7W

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/3JXUQG7WI5FELCTOO5IAEPC7JH \
  | 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: da6f481bf6474a458a6e7750023c5f49c36691896edbcba81de517c8bebb6242

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a63578da453e751360dc7e2d7da4ac873019556271c846c15a1cf1a71a9fad2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-24T19:00:30Z",
    "title_canon_sha256": "beb82f840ca8f13707ddb5557e825424463816ee57eaac27c0765d2792a4defa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07037",
    "kind": "arxiv",
    "version": 1
  }
}