Pith Number

pith:KHDEB7RF

pith:2018:KHDEB7RFWLNHGJQKAT7UUTVU72

not attested not anchored not stored refs pending

Simultaneous H alpha and dust reverberation mapping of 3C120: Testing the bowl-shaped torus geometry

Catalina Sobrino Figaredo, Christian Westhues, Francisco Pozo Nu\~nez, Julia Blex, Klaus W. Hodapp, Martin Haas, Matthias Zetzl, Michael Ramolla, Miguel Murphy, Rolf Chini, Wolfram Kollatschny

arxiv:1808.03572 v2 · 2018-08-10 · 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{KHDEB7RFWLNHGJQKAT7UUTVU72}

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	2026-05-17T23:58:38.207426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c640fe25b2da73260a04ff4a4eb4fe8346bc912c129a00cdcf623e42330db1

Aliases

arxiv: 1808.03572 · arxiv_version: 1808.03572v2 · doi: 10.48550/arxiv.1808.03572 · pith_short_12: KHDEB7RFWLNH · pith_short_16: KHDEB7RFWLNHGJQK · pith_short_8: KHDEB7RF

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/KHDEB7RFWLNHGJQKAT7UUTVU72 \
  | 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: 51c640fe25b2da73260a04ff4a4eb4fe8346bc912c129a00cdcf623e42330db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb71c2acdda40a9e3aa7538a80400e93dbe5045071d04c987c4ce0d7c1b1c5c2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-10T14:59:38Z",
    "title_canon_sha256": "951213cfdd0412f1f569015c2ff315783d70b4963c0bc522227b17123d471bf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03572",
    "kind": "arxiv",
    "version": 2
  }
}