Pith Number

pith:4LWOKTSM

pith:2010:4LWOKTSMM5M7GHNPFMZV6ETROB

not attested not anchored not stored refs pending

Galactic Evolution of Oxygen: OH lines in 3D hydrodynamical model atmospheres

B. Freytag, E. Caffau, H.-G. Ludwig, J. I. Gonzalez Hernandez, N. T. Behara, P. Bonifacio

arxiv:1005.3754 v2 · 2010-05-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LWOKTSMM5M7GHNPFMZV6ETROB}

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	2026-05-18T02:07:16.278403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ece54e4c6759f31daf2b335f1271707219147626fab8cb7b51c8644e548c60

Aliases

arxiv: 1005.3754 · arxiv_version: 1005.3754v2 · doi: 10.48550/arxiv.1005.3754 · pith_short_12: 4LWOKTSMM5M7 · pith_short_16: 4LWOKTSMM5M7GHNP · pith_short_8: 4LWOKTSM

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/4LWOKTSMM5M7GHNPFMZV6ETROB \
  | 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: e2ece54e4c6759f31daf2b335f1271707219147626fab8cb7b51c8644e548c60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a398527d190648d1063d3e4474b3ad8a9bdb99e44d07f65bfece38a69daf036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-05-20T16:33:25Z",
    "title_canon_sha256": "d5f5f66823eb0d125bcee6220a443599bf5ece6963d1b508773ea8a2f0b3c510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3754",
    "kind": "arxiv",
    "version": 2
  }
}