Pith Number

pith:SDUPU4LD

pith:2014:SDUPU4LDCFLDB2FXRB6X5CUWDW

not attested not anchored not stored refs pending

Chemical compositions of six metal-poor stars in the ultra-faint dwarf spheroidal galaxy Bo\"otes I

Miho N. Ishigaki, Nobuo Arimoto, Sakurako Okamoto, Wako Aoki

arxiv:1401.1265 v2 · 2014-01-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDUPU4LDCFLDB2FXRB6X5CUWDW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:02:58.757875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e8fa7163115630e8b7887d7e8a961da922ed0e30ed7a6bbb222567e54c5fa9

Aliases

arxiv: 1401.1265 · arxiv_version: 1401.1265v2 · doi: 10.48550/arxiv.1401.1265 · pith_short_12: SDUPU4LDCFLD · pith_short_16: SDUPU4LDCFLDB2FX · pith_short_8: SDUPU4LD

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/SDUPU4LDCFLDB2FXRB6X5CUWDW \
  | 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: 90e8fa7163115630e8b7887d7e8a961da922ed0e30ed7a6bbb222567e54c5fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e5f65c55ab4d4e2846458755790011f35d3df60ca22ca56ade03a92f17ee45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-07T04:21:26Z",
    "title_canon_sha256": "557a39163d5c231a4b76afd78cfd7d584c987d35a1db2e4cefae7932490ee251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1265",
    "kind": "arxiv",
    "version": 2
  }
}