Pith Number

pith:KB6ZJ5F2

pith:2020:KB6ZJ5F2USHHVR5OYLYQ5PAD6D

not attested not anchored not stored refs pending

Stellar metallicities from SkyMapper photometry I: A study of the Tucana II ultra-faint dwarf galaxy

Anirudh Chiti, Anna Frebel, Dongwon Kim, Helmut Jerjen, John E. Norris

arxiv:2001.07684 v1 · 2020-01-21 · 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{KB6ZJ5F2USHHVR5OYLYQ5PAD6D}

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	2026-07-05T00:45:21.111880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507d94f4baa48e7ac7aec2f10ebc03f0d036f115a9392e17f5f33737463ecc45

Aliases

arxiv: 2001.07684 · arxiv_version: 2001.07684v1 · doi: 10.48550/arxiv.2001.07684 · pith_short_12: KB6ZJ5F2USHH · pith_short_16: KB6ZJ5F2USHHVR5O · pith_short_8: KB6ZJ5F2

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/KB6ZJ5F2USHHVR5OYLYQ5PAD6D \
  | 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: 507d94f4baa48e7ac7aec2f10ebc03f0d036f115a9392e17f5f33737463ecc45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518bd6101b0c5937edafdc5ae56db456b604a8d48a1d494f0acdcacb9f121ce6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-21T18:26:47Z",
    "title_canon_sha256": "750f162bf1806aaf334b9b93ec587feb862eabedb7590d327575fdadf68b6fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07684",
    "kind": "arxiv",
    "version": 1
  }
}