Pith Number

pith:WLNKOM5R

pith:2026:WLNKOM5RKIEH2EAL7R6P74EWAA

not attested not anchored not stored refs pending

Decomposing cool stellar populations with H-band spectral fluctuations: Long-period variable stars in NGC 5128 and carbon stars in NGC 5102

Anastasia Gvozdenko, Russell J. Smith

arxiv:2605.21588 v1 · 2026-05-20 · 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{WLNKOM5RKIEH2EAL7R6P74EWAA}

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	2026-05-22T01:03:23.938726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2daa733b152087d100bfc7cfff0960007fb3f16690a302bb7bf4bb377d85d2d

Aliases

arxiv: 2605.21588 · arxiv_version: 2605.21588v1 · doi: 10.48550/arxiv.2605.21588 · pith_short_12: WLNKOM5RKIEH · pith_short_16: WLNKOM5RKIEH2EAL · pith_short_8: WLNKOM5R

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/WLNKOM5RKIEH2EAL7R6P74EWAA \
  | 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: b2daa733b152087d100bfc7cfff0960007fb3f16690a302bb7bf4bb377d85d2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fedc402ec4b859f0069ac3f3d9b46f69d72defa24677e47dcc02870af15dad75",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-20T18:00:03Z",
    "title_canon_sha256": "46f457cc19dd77a490bf8a3712e028628354462489cb722e3e4cf2929ec92887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21588",
    "kind": "arxiv",
    "version": 1
  }
}