Pith Number

pith:RUBE4DOG

pith:2015:RUBE4DOGWZPQHCXT6ZHBP7HMFU

not attested not anchored not stored refs pending

Detection of the Intermediate-width Emission Line Region in Quasar OI 287 with the Broad Emission Line Region Obscured by the Dusty Torus

Bo Liu, Hongyan Zhou, Huiyuan Wang, Lei Hao, Peng Jiang, Shaohua Zhang, Tuo Ji, Wen-Juan Liu, Xiang Pan, Xiheng Shi, Zhenzhen Li

arxiv:1512.02824 v1 · 2015-12-09 · 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{RUBE4DOGWZPQHCXT6ZHBP7HMFU}

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	2026-05-18T01:24:15.856705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d024e0dc6b65f038af3f64e17fcec2d13cae5ba8a35e9ce71fabce870608292

Aliases

arxiv: 1512.02824 · arxiv_version: 1512.02824v1 · doi: 10.48550/arxiv.1512.02824 · pith_short_12: RUBE4DOGWZPQ · pith_short_16: RUBE4DOGWZPQHCXT · pith_short_8: RUBE4DOG

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/RUBE4DOGWZPQHCXT6ZHBP7HMFU \
  | 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: 8d024e0dc6b65f038af3f64e17fcec2d13cae5ba8a35e9ce71fabce870608292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013113ad22913c335cca20a04078e6afa78710d0f2350f56d73ba715fc0c1b31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-09T11:49:57Z",
    "title_canon_sha256": "62ec95069b7c54b63177ee49d28998a0516546326623e5c33b5b55cc20353443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02824",
    "kind": "arxiv",
    "version": 1
  }
}