Pith Number

pith:P6OQ5YTZ

pith:2019:P6OQ5YTZXTU7WXVDYLLKFWNLAO

not attested not anchored not stored refs pending

On producers of cosmic organic compounds: exploring the boron abundance in lithium-rich K giant stars

K. Cunha, N.A. Drake, R. de la Reza, V.V. Smith

arxiv:1911.12856 v1 · 2019-11-28 · 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{P6OQ5YTZXTU7WXVDYLLKFWNLAO}

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	2026-07-05T00:22:49.660445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f9d0ee279bce9fb5ea3c2d6a2d9ab03b21b515d5d9ccac1f0bec4c587a97a03

Aliases

arxiv: 1911.12856 · arxiv_version: 1911.12856v1 · doi: 10.48550/arxiv.1911.12856 · pith_short_12: P6OQ5YTZXTU7 · pith_short_16: P6OQ5YTZXTU7WXVD · pith_short_8: P6OQ5YTZ

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/P6OQ5YTZXTU7WXVDYLLKFWNLAO \
  | 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: 7f9d0ee279bce9fb5ea3c2d6a2d9ab03b21b515d5d9ccac1f0bec4c587a97a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acffd94ee7530fb0a2dc88760f7963e4dc6589b4ef100246e92d8fe8a002c1b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-28T20:32:08Z",
    "title_canon_sha256": "88d51016f4143d0abddc5c8513aa2f0d8e67c8c4dde9f290a05944ef0e36e7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12856",
    "kind": "arxiv",
    "version": 1
  }
}