Pith Number

pith:Z7C2265O

pith:2018:Z7C2265OUGDENKGRKZ7SITFLVE

not attested not anchored not stored refs pending

A D'-type symbiotic binary in the planetary nebula SMP LMC 88

Andrzej Udalski, Brent Miszalski, Joanna Mikolajewska, Krystian Ilkiewicz, Szymon Kozlowski

arxiv:1802.02933 v1 · 2018-02-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7C2265OUGDENKGRKZ7SITFLVE}

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	2026-05-18T00:22:22.537077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc5ad7baea18646a8d1567f244caba9119ad8a2948c2ef240c11da25ab47e64

Aliases

arxiv: 1802.02933 · arxiv_version: 1802.02933v1 · doi: 10.48550/arxiv.1802.02933 · pith_short_12: Z7C2265OUGDE · pith_short_16: Z7C2265OUGDENKGR · pith_short_8: Z7C2265O

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/Z7C2265OUGDENKGRKZ7SITFLVE \
  | 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: cfc5ad7baea18646a8d1567f244caba9119ad8a2948c2ef240c11da25ab47e64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c5d2d24c8eccd2887239febefeffa2f40939f87974f2d3d32da4d33372f71b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-08T15:48:51Z",
    "title_canon_sha256": "d931a356856a290808c6a5d03ffc8b7bc700a0aa1f31b920eda381d8c0a1c5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02933",
    "kind": "arxiv",
    "version": 1
  }
}