Pith Number

pith:WMMK44OK

pith:2010:WMMK44OKVP2WGBTPTJ5SDYL5KR

not attested not anchored not stored refs pending

Detection of Periodic Variability in Simulated QSO Light Curves

Chelsea L. MacLeod, David B. Westman, Zeljko Ivezic

arxiv:1012.3779 v1 · 2010-12-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMMK44OKVP2WGBTPTJ5SDYL5KR}

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	2026-05-18T04:33:03.883328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b318ae71caabf563066f9a7b21e17d5465c220f3ca9d723088d325bdf4de9a39

Aliases

arxiv: 1012.3779 · arxiv_version: 1012.3779v1 · doi: 10.48550/arxiv.1012.3779 · pith_short_12: WMMK44OKVP2W · pith_short_16: WMMK44OKVP2WGBTP · pith_short_8: WMMK44OK

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/WMMK44OKVP2WGBTPTJ5SDYL5KR \
  | 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: b318ae71caabf563066f9a7b21e17d5465c220f3ca9d723088d325bdf4de9a39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "053b892eb63e14b5ec3caf25290b7f937635354afb4c84370025ff498c28c9bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-16T23:12:50Z",
    "title_canon_sha256": "a0bae3aa05ba27ddf590badab0fb128d348443eef0dc0f0981faab0ef67c4d78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3779",
    "kind": "arxiv",
    "version": 1
  }
}