Pith Number

pith:NPMT6RMJ

pith:2019:NPMT6RMJ4LRSSS6DS7DUJAP3IH

not attested not anchored not stored refs pending

Host galaxies of high-redshift extremely red and obscured quasars

Ai-Lei Sun, Dominika Wylezalek, Fred Hamann, Guilin Liu, Jenny E. Greene, Marco Chiaberge, Michael A. Strauss, Nadia L. Zakamska, Nicholas P. Ross, Rachael M. Alexandroff, Serena Perrotta, W. N. Brandt

arxiv:1907.10617 v1 · 2019-07-24 · 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{NPMT6RMJ4LRSSS6DS7DUJAP3IH}

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	2026-07-04T23:51:46.328545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd93f4589e2e3294bc397c74481fb41d798addc7e0fcdf31fb914f45ca8ce38

Aliases

arxiv: 1907.10617 · arxiv_version: 1907.10617v1 · doi: 10.48550/arxiv.1907.10617 · pith_short_12: NPMT6RMJ4LRS · pith_short_16: NPMT6RMJ4LRSSS6D · pith_short_8: NPMT6RMJ

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/NPMT6RMJ4LRSSS6DS7DUJAP3IH \
  | 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: 6bd93f4589e2e3294bc397c74481fb41d798addc7e0fcdf31fb914f45ca8ce38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "106ee1b55ec635dd800a457605e21425acd10ff7027edb8db008f8e4c0baea28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-24T18:00:01Z",
    "title_canon_sha256": "92122466613d13d482099f58135448034d7edaaddc9199f18fb3ec0d17afb7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10617",
    "kind": "arxiv",
    "version": 1
  }
}