Pith Number

pith:XDRVNUL3

pith:2012:XDRVNUL3QRXMKWVKIRDIYOHJE5

not attested not anchored not stored refs pending

The correlations between optical variability and physical parameters of quasars in SDSS Stripe 82

Cheng-Liang Jiao, Wenwen Zuo, Xue-Bing Wu, Yi-Qing Liu

arxiv:1209.0524 v1 · 2012-09-04 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDRVNUL3QRXMKWVKIRDIYOHJE5}

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	2026-05-18T01:54:47.711183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e356d17b846ec55aaa44468c38e92747f3236a9e71ec40991d549a5b02fa38

Aliases

arxiv: 1209.0524 · arxiv_version: 1209.0524v1 · doi: 10.48550/arxiv.1209.0524 · pith_short_12: XDRVNUL3QRXM · pith_short_16: XDRVNUL3QRXMKWVK · pith_short_8: XDRVNUL3

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/XDRVNUL3QRXMKWVKIRDIYOHJE5 \
  | 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: b8e356d17b846ec55aaa44468c38e92747f3236a9e71ec40991d549a5b02fa38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8e3379f843e03014c7feb878776905293847e185208d65646e484b806061aec",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-04T04:00:23Z",
    "title_canon_sha256": "e80287e0130c23875e9e7c1eee6978cf6e349f0617b5c03951b0a686d02e3631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0524",
    "kind": "arxiv",
    "version": 1
  }
}