Pith Number

pith:LWLOJLU7

pith:2008:LWLOJLU7UUOUCPJWSS7DGMONFG

not attested not anchored not stored refs pending

The C/O ratio at low metallicity: constraints on early chemical evolution from observations of Galactic halo stars

C. Akerman, D. Fabbian, M. Asplund, M. Pettini, P. E. Nissen

arxiv:0810.0281 v1 · 2008-10-01 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWLOJLU7UUOUCPJWSS7DGMONFG}

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

1 paper in Pith

Diverse Histories and Common Origins of Nitrogen-enhanced JWST Galaxies

Receipt and verification

First computed	2026-05-18T02:15:33.071943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d96e4ae9fa51d413d3694be3331cd298aee9cb0eeebc66839d6f4d2f1ae5afb

Aliases

arxiv: 0810.0281 · arxiv_version: 0810.0281v1 · doi: 10.48550/arxiv.0810.0281 · pith_short_12: LWLOJLU7UUOU · pith_short_16: LWLOJLU7UUOUCPJW · pith_short_8: LWLOJLU7

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/LWLOJLU7UUOUCPJWSS7DGMONFG \
  | 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: 5d96e4ae9fa51d413d3694be3331cd298aee9cb0eeebc66839d6f4d2f1ae5afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1c9074deef1b61606ce99529112dafa5b572ab7cd4b48a716f46369a99b95e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-01T20:23:24Z",
    "title_canon_sha256": "d245801005a5ef34557d859a08a139817246493cde072f6b11e0ec186d37a4ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0281",
    "kind": "arxiv",
    "version": 1
  }
}