Pith Number

pith:P4PT5FKI

pith:2014:P4PT5FKIQYA5RHRR3AQNEVQLNQ

not attested not anchored not stored refs pending

The hidden quasar nucleus of a WISE-selected, hyperluminous, dust-obscured galaxy at z ~ 2.3

A. Bongiorno, C. Feruglio, C. Vignali, E. Piconcelli, F. Fiore, G. Lanzuisi, G. Miniutti, J. Fritz, L. Zappacosta, R. Maiolino, S. Bianchi

arxiv:1412.3595 v1 · 2014-12-11 · 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{P4PT5FKIQYA5RHRR3AQNEVQLNQ}

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	2026-05-18T01:41:19.833475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1f3e95488601d89e31d820d2560b6c39da008e4c445f74646b2943286c8817

Aliases

arxiv: 1412.3595 · arxiv_version: 1412.3595v1 · doi: 10.48550/arxiv.1412.3595 · pith_short_12: P4PT5FKIQYA5 · pith_short_16: P4PT5FKIQYA5RHRR · pith_short_8: P4PT5FKI

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/P4PT5FKIQYA5RHRR3AQNEVQLNQ \
  | 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: 7f1f3e95488601d89e31d820d2560b6c39da008e4c445f74646b2943286c8817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e5ee845d575a9abf6b46d7d92921615f5bb3954900046c9abebda03b9664cb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-11T10:28:19Z",
    "title_canon_sha256": "ba0c6893b11d063c7cce816f29be2e88c0b441989d0f4d8a502bebfbf0505ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3595",
    "kind": "arxiv",
    "version": 1
  }
}