Pith Number

pith:3DOSZTM5

pith:2003:3DOSZTM57KL5C6XT2F6ASG4CNE

not attested not anchored not stored refs pending

On the oxygen abundance in our Galaxy

F. Ferrini (University of Pisa, Italy), L.S. Pilyugin (Main Astron. Obs. of Nat. Academy of Sc. of Ukraine), R.V. Shkvarun (Main Astron. Obs. of Nat. Academy of Sc. of Ukraine)

arxiv:astro-ph/0302019 v1 · 2003-02-03 · 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{3DOSZTM57KL5C6XT2F6ASG4CNE}

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	2026-05-18T04:21:41.984211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8dd2ccd9dfa97d17af3d17c091b8269105e49d7b781666840858cbeea04f60b

Aliases

arxiv: astro-ph/0302019 · arxiv_version: astro-ph/0302019v1 · doi: 10.48550/arxiv.astro-ph/0302019 · pith_short_12: 3DOSZTM57KL5 · pith_short_16: 3DOSZTM57KL5C6XT · pith_short_8: 3DOSZTM5

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/3DOSZTM57KL5C6XT2F6ASG4CNE \
  | 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: d8dd2ccd9dfa97d17af3d17c091b8269105e49d7b781666840858cbeea04f60b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85a35643691531b44ce1fec9e7f9979f4e768435fa60d0866910c31f40c97d21",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-03T09:57:04Z",
    "title_canon_sha256": "30e06b3f0fb4b8b9b2ea8db2132e780d6633936f9da547c0f6edfc748752e1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302019",
    "kind": "arxiv",
    "version": 1
  }
}