Pith Number

pith:KSG5M23M

pith:2009:KSG5M23MFWM5BLD75ZX7AUY24V

not attested not anchored not stored refs pending

CCD Photometry of the Pleiades Delta Scuti Star V650 Tauri

C. Zurita, J.N. Fu, L. Fox Machado, M. Alvarez, R. Michel

arxiv:0911.2768 v1 · 2009-11-14 · 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{KSG5M23MFWM5BLD75ZX7AUY24V}

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	2026-05-18T02:34:05.405560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548dd66b6c2d99d0ac7fee6ff0531ae571fcb2d5affd3d8b9bf6c06e775b7933

Aliases

arxiv: 0911.2768 · arxiv_version: 0911.2768v1 · doi: 10.48550/arxiv.0911.2768 · pith_short_12: KSG5M23MFWM5 · pith_short_16: KSG5M23MFWM5BLD7 · pith_short_8: KSG5M23M

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/KSG5M23MFWM5BLD75ZX7AUY24V \
  | 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: 548dd66b6c2d99d0ac7fee6ff0531ae571fcb2d5affd3d8b9bf6c06e775b7933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5dd268f3dddde3fb3a9de9af354c9510c335f2d8980189e09702a5f6afb72d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-14T13:35:24Z",
    "title_canon_sha256": "952048c36ab892cd449686d6d8165224dff74c257b38ead90323a77a6c474901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2768",
    "kind": "arxiv",
    "version": 1
  }
}