Pith Number

pith:3VAYSPSH

pith:2015:3VAYSPSH4XPTVWAHBJBT5C7QKT

not attested not anchored not stored refs pending

Three-dimensional hydrodynamical CO5BOLD model atmospheres of red giant stars. IV. Oxygen diagnostics in extremely metal-poor red giants with infrared OH lines

A. Ku\v{c}inskas, E. Caffau, H.-G. Ludwig, M. Spite, M. Steffen, P. Bonifacio, V. Dobrovolskas

arxiv:1502.06587 v1 · 2015-02-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VAYSPSH4XPTVWAHBJBT5C7QKT}

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	2026-05-18T02:18:15.153397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd41893e47e5df3ad8070a433e8bf054f4880fce3ba51e1ce83d9d73eb40a23e

Aliases

arxiv: 1502.06587 · arxiv_version: 1502.06587v1 · doi: 10.48550/arxiv.1502.06587 · pith_short_12: 3VAYSPSH4XPT · pith_short_16: 3VAYSPSH4XPTVWAH · pith_short_8: 3VAYSPSH

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/3VAYSPSH4XPTVWAHBJBT5C7QKT \
  | 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: dd41893e47e5df3ad8070a433e8bf054f4880fce3ba51e1ce83d9d73eb40a23e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d140b74ece20378d1df92349a3cd16336848ef6e24132ad206cd774cf17aa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-23T20:42:00Z",
    "title_canon_sha256": "37cf50ee2c4f20af3c89f8124cc38867b05c2ba838440f084b2d3e504aab1ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06587",
    "kind": "arxiv",
    "version": 1
  }
}