Pith Number

pith:XWJSGFTX

pith:2017:XWJSGFTXYJYJC3CDPOIWZWEXLR

not attested not anchored not stored refs pending

Detailed chemical composition of classical Cepheids in the LMC cluster NGC 1866 and in the field of the SMC

B. Lemasle, E. K. Grebel, F. Primas, G. Bono, G. Fiorentino, J. Pritchard, L. Inno, M. A. T. Groenewegen, M. Romaniello, N. Matsunaga, P. Fran\c{c}ois, R. Da Silva, S. Pedicelli, V. V. Kovtyukh

arxiv:1709.03083 v1 · 2017-09-10 · 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{XWJSGFTXYJYJC3CDPOIWZWEXLR}

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	2026-05-18T00:28:14.230479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd93231677c270916c437b916cd8975c4cbc2a379e7d19fe253dddea5dc2cfff

Aliases

arxiv: 1709.03083 · arxiv_version: 1709.03083v1 · doi: 10.48550/arxiv.1709.03083 · pith_short_12: XWJSGFTXYJYJ · pith_short_16: XWJSGFTXYJYJC3CD · pith_short_8: XWJSGFTX

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/XWJSGFTXYJYJC3CDPOIWZWEXLR \
  | 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: bd93231677c270916c437b916cd8975c4cbc2a379e7d19fe253dddea5dc2cfff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f113990c8929883fd426eb11aeac5b6ad5a08b29dc98e40a0fd65c8b4bbbc0a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-10T10:55:31Z",
    "title_canon_sha256": "2f112cd2e9690ea69465c03c24e12288ac8b2ffb87e1df13ec1020dfd8241b16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03083",
    "kind": "arxiv",
    "version": 1
  }
}