Pith Number

pith:LEWCWG3L

pith:2015:LEWCWG3LOMXKRBZTI3EZVYMFBW

not attested not anchored not stored refs pending

Extinction curve template for intrinsically reddened quasars

1), (2) DARK, (3) PU, (4) DFUR, (5) IAC, (6) MPIA), Bram P. Venemans (6) ((1) ESO, Darach Watson (2), Francesco G. Saturni (4, Jens-Kristian Krogager (2), Johan P. U. Fynbo (2), Nosheen Zafar (3), Palle M{\o}ller (1), Stefan Geier (5), Tayyaba Zafar (1)

arxiv:1510.01708 v3 · 2015-10-06 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LEWCWG3LOMXKRBZTI3EZVYMFBW}

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	2026-05-18T01:24:43.499072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

592c2b1b6b732ea8873346c99ae1850d86fa15c04611996680f770a73c25e794

Aliases

arxiv: 1510.01708 · arxiv_version: 1510.01708v3 · doi: 10.48550/arxiv.1510.01708 · pith_short_12: LEWCWG3LOMXK · pith_short_16: LEWCWG3LOMXKRBZT · pith_short_8: LEWCWG3L

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/LEWCWG3LOMXKRBZTI3EZVYMFBW \
  | 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: 592c2b1b6b732ea8873346c99ae1850d86fa15c04611996680f770a73c25e794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "059552cb29e3cf341abc22dc8756b43015ae6ff82d21daafc8be113a3708052a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-06T19:20:46Z",
    "title_canon_sha256": "151c17295ef9fa1eafaf6fd1a2ced38ea5df585cb9ae21e0a4bc56e54ec7f74d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01708",
    "kind": "arxiv",
    "version": 3
  }
}