Pith Number

pith:FPJYFF4O

pith:2023:FPJYFF4OBFM5PGMRDGIVXQPQ2E

not attested not anchored not stored refs pending

Nitrogen enhancements 440 Myr after the Big Bang: super-solar N/O, a tidal disruption event or a dense stellar cluster in GN-z11?

Aayush Saxena, Alex J. Cameron, Harley Katz, Martin P. Rey

arxiv:2302.10142 v2 · 2023-02-20 · 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{FPJYFF4OBFM5PGMRDGIVXQPQ2E}

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.

Cited by

2 papers in Pith

Deep Spectroscopic Follow-Up of Maisie's Galaxy -- A Typical Galaxy in the Early Universe

Direct T_e-based Metallicities of z=2-9 Galaxies with JWST/NIRSpec: Empirical Metallicity Calibrations Applicable from Reionization to Cosmic Noon

Receipt and verification

First computed	2026-07-05T06:17:46.700781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd382978e0959d7999119915bc1f0d125ea3d61a8b7646402c9894b39ce7a43

Aliases

arxiv: 2302.10142 · arxiv_version: 2302.10142v2 · doi: 10.48550/arxiv.2302.10142 · pith_short_12: FPJYFF4OBFM5 · pith_short_16: FPJYFF4OBFM5PGMR · pith_short_8: FPJYFF4O

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/FPJYFF4OBFM5PGMRDGIVXQPQ2E \
  | 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: 2bd382978e0959d7999119915bc1f0d125ea3d61a8b7646402c9894b39ce7a43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a31d08b68ae1e6d51344005ac4692aaf92560fd0c2e849ceb5d4201195604c10",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-20T18:20:05Z",
    "title_canon_sha256": "b4b267a627659f4ef29ace7586875228cce3359088adb829d05ac83f6c522c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.10142",
    "kind": "arxiv",
    "version": 2
  }
}