Pith Number

pith:4XSBZYXQ

pith:2005:4XSBZYXQKI7M5USFYYPVMA3JXT

not attested not anchored not stored refs pending

Oxygen abundances in metal-poor subgiants as determined from [O I], O I and OH lines

A.E. Garc\'ia P\'erez, B. Gustafsson, F. Primas, M. Asplund, P.E. Nissen

arxiv:astro-ph/0512290 v1 · 2005-12-12 · 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{4XSBZYXQKI7M5USFYYPVMA3JXT}

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	2026-05-18T01:08:58.779831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e41ce2f0523eced245c61f560369bce959d18e552bcb5310b48852e2a2ab2e

Aliases

arxiv: astro-ph/0512290 · arxiv_version: astro-ph/0512290v1 · doi: 10.48550/arxiv.astro-ph/0512290 · pith_short_12: 4XSBZYXQKI7M · pith_short_16: 4XSBZYXQKI7M5USF · pith_short_8: 4XSBZYXQ

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/4XSBZYXQKI7M5USFYYPVMA3JXT \
  | 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: e5e41ce2f0523eced245c61f560369bce959d18e552bcb5310b48852e2a2ab2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b58afba1e16e95cd218ee65885ba764182add49d14660c132c17cf1915c685",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-12T13:23:01Z",
    "title_canon_sha256": "22b9d6e09f28e891061abd3a749f036e221a24e15a262c2a91fadc31285ab5bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512290",
    "kind": "arxiv",
    "version": 1
  }
}