Pith Number

pith:UKWEVZ2E

pith:2015:UKWEVZ2EVKX4EBXOO6VOHRTVPU

not attested not anchored not stored refs pending

Lithium in Open Cluster Red Giants Hosting Substellar Companions

Joleen K. Carlberg, Katia Cunha, Kenneth G. Carpenter, Verne V. Smith

arxiv:1512.08558 v1 · 2015-12-28 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKWEVZ2EVKX4EBXOO6VOHRTVPU}

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	2026-05-18T01:20:40.789223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ac4ae744aaafc206ee77aae3c6757d131fbd8d7e66e9e69d7cd0e5e08256af

Aliases

arxiv: 1512.08558 · arxiv_version: 1512.08558v1 · doi: 10.48550/arxiv.1512.08558 · pith_short_12: UKWEVZ2EVKX4 · pith_short_16: UKWEVZ2EVKX4EBXO · pith_short_8: UKWEVZ2E

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/UKWEVZ2EVKX4EBXOO6VOHRTVPU \
  | 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: a2ac4ae744aaafc206ee77aae3c6757d131fbd8d7e66e9e69d7cd0e5e08256af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a94d7cd18c6d6859d27ab6bc3bedd831a4af266300f3f6f7e2206f550d4155b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-28T23:28:02Z",
    "title_canon_sha256": "d59a1f26ad28f941ae3b40f2332d44a33db7c286286d6f0ff22e307a34c2ba91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08558",
    "kind": "arxiv",
    "version": 1
  }
}