Pith Number

pith:LPFF36WQ

pith:2013:LPFF36WQXJ4QKXDQE4WL5FMAPA

not attested not anchored not stored refs pending

Abnormal lithium abundance in several Ap-Bp stars

A. Shavrina, A.V.Yushchenko, D.O. Kudryavtsev, N.A. Drake, N.S. Polosukhina, V.A. Yushchenko, V.F. Gopka

arxiv:1304.4175 v1 · 2013-04-15 · 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{LPFF36WQXJ4QKXDQE4WL5FMAPA}

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	2026-05-18T03:27:55.295936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bca5dfad0ba79055c70272cbe958078160be98294b918806e404db96324955e

Aliases

arxiv: 1304.4175 · arxiv_version: 1304.4175v1 · doi: 10.48550/arxiv.1304.4175 · pith_short_12: LPFF36WQXJ4Q · pith_short_16: LPFF36WQXJ4QKXDQ · pith_short_8: LPFF36WQ

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/LPFF36WQXJ4QKXDQE4WL5FMAPA \
  | 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: 5bca5dfad0ba79055c70272cbe958078160be98294b918806e404db96324955e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcb05dbdf356334729ad798e6a21ea684134ddc6ec48090b82dd9b73b08b60cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-15T17:12:23Z",
    "title_canon_sha256": "713089252143cc9fae5ad4cdd2d55a9cc3e56342c7e8bb2c80688b12b26c146a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4175",
    "kind": "arxiv",
    "version": 1
  }
}