Pith Number

pith:OGBL4LXT

pith:2014:OGBL4LXTMC3MJJM2WDQFPIRH7S

not attested not anchored not stored refs pending

Galactic nebular lines in the fiber spectra of background QSOs: Reaching a hundred QSO-galaxy pairs with spectroscopic and photometric measurements

David Bowen, Donald G. York, Lorrie Straka, Michael Bishof, Pasquier Noterdaeme, Pushpa Khare, Raghunathan Srianand, Songkiat Nutalaya, Varsha P. Kulkarni

arxiv:1412.6661 v1 · 2014-12-20 · 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{OGBL4LXTMC3MJJM2WDQFPIRH7S}

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	2026-05-18T01:36:11.080444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7182be2ef360b6c4a59ab0e057a227fc9c6286596089df62e13e0b99ac98b164

Aliases

arxiv: 1412.6661 · arxiv_version: 1412.6661v1 · doi: 10.48550/arxiv.1412.6661 · pith_short_12: OGBL4LXTMC3M · pith_short_16: OGBL4LXTMC3MJJM2 · pith_short_8: OGBL4LXT

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/OGBL4LXTMC3MJJM2WDQFPIRH7S \
  | 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: 7182be2ef360b6c4a59ab0e057a227fc9c6286596089df62e13e0b99ac98b164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ce0170273abb717ef3d00804a6488cb64cb9f20ee26ba808b5b7d07799e56c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-20T15:38:47Z",
    "title_canon_sha256": "41d7a5ef39c8c30dfb1acc55a85acafd6da3d5be07dd2fe627f9e3f1b5cf77c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6661",
    "kind": "arxiv",
    "version": 1
  }
}