Pith Number

pith:NWRNFRSU

pith:2024:NWRNFRSUUTBOEO6NUPZCVVNG65

not attested not anchored not stored refs pending

Chemical abundances along the quasar main sequence

A. Deconto-Machado, A. Del Olmo, A. Floris, B. Czerny, M. D'Onofrio, M. Sniegowska, P. Marziani, S. Panda

arxiv:2405.04456 v1 · 2024-05-07 · 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{NWRNFRSUUTBOEO6NUPZCVVNG65}

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	2026-07-05T09:11:14.234459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6da2d2c654a4c2e23bcda3f22ad5a6f77a212bbbd449735e0d00515163c8c8e1

Aliases

arxiv: 2405.04456 · arxiv_version: 2405.04456v1 · doi: 10.48550/arxiv.2405.04456 · pith_short_12: NWRNFRSUUTBO · pith_short_16: NWRNFRSUUTBOEO6N · pith_short_8: NWRNFRSU

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/NWRNFRSUUTBOEO6NUPZCVVNG65 \
  | 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: 6da2d2c654a4c2e23bcda3f22ad5a6f77a212bbbd449735e0d00515163c8c8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce500a931fc47ed4421f39bf5c4caa22b30ed5092696d20957c88e3753429363",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-05-07T16:20:10Z",
    "title_canon_sha256": "b10addcd5d34f5d2b7b27582e20a6626498387461ccaed3e2d65b95b7c28b2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.04456",
    "kind": "arxiv",
    "version": 1
  }
}