Pith Number

pith:RKSMA6CE

pith:2024:RKSMA6CESRJIUB2GACISD4B32Q

not attested not anchored not stored refs pending

The Puzzling Superorbital Period Variation of the Low-mass X-ray Binary 4U 1820-30

Bo-Chun Chen, Jun-Lei Wu, Wei-Yun Chang, Yi Chou

arxiv:2409.08451 v2 · 2024-09-13 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKSMA6CESRJIUB2GACISD4B32Q}

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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.

Cited by

1 paper in Pith

The first IXPE view of the eclipsing ADC source 4U 1822-37

Receipt and verification

First computed	2026-07-05T10:03:45.896646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aa4c0784494528a0746009121f03bd43e09bb31a38f9fefff8cc6a66cc08d13

Aliases

arxiv: 2409.08451 · arxiv_version: 2409.08451v2 · doi: 10.48550/arxiv.2409.08451 · pith_short_12: RKSMA6CESRJI · pith_short_16: RKSMA6CESRJIUB2G · pith_short_8: RKSMA6CE

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/RKSMA6CESRJIUB2GACISD4B32Q \
  | 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: 8aa4c0784494528a0746009121f03bd43e09bb31a38f9fefff8cc6a66cc08d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87b7afe22f9774c456de503a8a9b0be738f2de139fbd9c230a8f411d431d41b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-09-13T00:53:33Z",
    "title_canon_sha256": "cff22756667670a0a00231c24e8eecb25a50d5ebb78ee48926ba0661a5aa3e58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.08451",
    "kind": "arxiv",
    "version": 2
  }
}