Pith Number

pith:2KSO2UP3

pith:2018:2KSO2UP3ZRPENRJWPIW4TCGGPZ

not attested not anchored not stored refs pending

A deep survey for symbiotic stars in the Magellanic Clouds - 1. Methodology and first discoveries in the SMC

Andrzej Udalski, Jacqueline K. Faherty, Joanna Mikolajewska, Katarzyna Drozd, Krystian Ilkiewicz, Michael M. Shara

arxiv:1811.06696 v1 · 2018-11-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KSO2UP3ZRPENRJWPIW4TCGGPZ}

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	2026-05-18T00:00:34.112640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2a4ed51fbcc5e46c5367a2dc988c67e51ebe34acc74222816ba1f99bdcc41c2

Aliases

arxiv: 1811.06696 · arxiv_version: 1811.06696v1 · doi: 10.48550/arxiv.1811.06696 · pith_short_12: 2KSO2UP3ZRPE · pith_short_16: 2KSO2UP3ZRPENRJW · pith_short_8: 2KSO2UP3

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/2KSO2UP3ZRPENRJWPIW4TCGGPZ \
  | 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: d2a4ed51fbcc5e46c5367a2dc988c67e51ebe34acc74222816ba1f99bdcc41c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd4aa76cdf76dc4e2757663361b0a8cc0b2b9b153902b9d1637abcba2b2d9a4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-16T08:11:01Z",
    "title_canon_sha256": "62aeba6a6b28b2478f16f5cbbe85bb252451b44d78b9d14afa46baff7e7a87f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06696",
    "kind": "arxiv",
    "version": 1
  }
}