Pith Number

pith:PIHSDQAP

pith:2016:PIHSDQAP3NRHC3YX6EO2PXJVIL

not attested not anchored not stored refs pending

OGLE-ing the Magellanic System: Photometric Metallicity from Fundamental Mode RR Lyrae Stars

A. Udalski, D. M. Skowron, I. Soszy\'nski, J. Skowron, K. Ulaczyk, \L. Wyrzykowski, M. K. Szyma\'nski, M. Pawlak, P. Mr\'oz, P. Pietrukowicz, R. Poleski, S. Koz{\l}owski

arxiv:1608.00013 v2 · 2016-07-29 · astro-ph.SR · 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{PIHSDQAP3NRHC3YX6EO2PXJVIL}

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	2026-05-18T00:59:57.677250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0f21c00fdb62716f17f11da7dd3542d453f1363447b2de8d5547a5ee4bfaf6

Aliases

arxiv: 1608.00013 · arxiv_version: 1608.00013v2 · doi: 10.48550/arxiv.1608.00013 · pith_short_12: PIHSDQAP3NRH · pith_short_16: PIHSDQAP3NRHC3YX · pith_short_8: PIHSDQAP

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/PIHSDQAP3NRHC3YX6EO2PXJVIL \
  | 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: 7a0f21c00fdb62716f17f11da7dd3542d453f1363447b2de8d5547a5ee4bfaf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8a6549e3dd84e51fbcb440ae8491fbe0dcf340c206949f183131ba496de571",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-29T20:01:33Z",
    "title_canon_sha256": "74dbc80c9fcb378b275edea51b6406296a13a6f4a5ad05bfcdaff901ff2821f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00013",
    "kind": "arxiv",
    "version": 2
  }
}