Pith Number

pith:KFHWQ7GH

pith:2020:KFHWQ7GHCKPQ37WTYSLQXPYSYU

not attested not anchored not stored refs pending

No Redshift Evolution in the Broad Line Region Metallicity up to z=7.54: Deep NIR Spectroscopy of ULAS J1342+0928

Bram P. Venemans, Chiara Mazzucchelli, Eduardo Ba\~nados, Emanuele P. Farina, Fabian Walter, Feige Wang, Frederick B. Davies, Irham Taufik Andika, Jan-Torge Schindler, Joseph F. Hennawi, Knud Jahnke, Masafusa Onoue, Nozomu Tominaga, Roberto Decarli, Tohru Nagao

arxiv:2006.16268 v1 · 2020-06-29 · 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{KFHWQ7GHCKPQ37WTYSLQXPYSYU}

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	2026-07-05T01:24:38.510909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514f687cc7129f0dfed3c4970bbf12c52a05efefa2e280e3a373bd2ef47495e8

Aliases

arxiv: 2006.16268 · arxiv_version: 2006.16268v1 · doi: 10.48550/arxiv.2006.16268 · pith_short_12: KFHWQ7GHCKPQ · pith_short_16: KFHWQ7GHCKPQ37WT · pith_short_8: KFHWQ7GH

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/KFHWQ7GHCKPQ37WTYSLQXPYSYU \
  | 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: 514f687cc7129f0dfed3c4970bbf12c52a05efefa2e280e3a373bd2ef47495e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac71a4c5d1d37085b8ffa69197e2679f2635cbfa49479d4ec85f178614d2f7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-29T18:00:10Z",
    "title_canon_sha256": "a49de2fa00036900876b83d6584a8da80238dd99d4ec1d1ef81829d61f67a76a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16268",
    "kind": "arxiv",
    "version": 1
  }
}