Pith Number

pith:DODVXDTM

pith:2011:DODVXDTMFNK3A3ZBOXDLAN3F4O

not attested not anchored not stored refs pending

Photo-centric variability of quasars caused by variations in their inner structure: Consequences on Gaia measurements

Alexandre H. Andrei, Jelena Kovacevic, Luka C. Popovic, Maarten Baes, Marko Stalevski, Predrag Jovanovic, Sonia Anton

arxiv:1109.3659 v3 · 2011-09-16 · 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{DODVXDTMFNK3A3ZBOXDLAN3F4O}

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	2026-05-18T02:21:36.627394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b875b8e6c2b55b06f2175c6b03765e3ab5a5537302a8f245608ef3cc3239024

Aliases

arxiv: 1109.3659 · arxiv_version: 1109.3659v3 · doi: 10.48550/arxiv.1109.3659 · pith_short_12: DODVXDTMFNK3 · pith_short_16: DODVXDTMFNK3A3ZB · pith_short_8: DODVXDTM

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/DODVXDTMFNK3A3ZBOXDLAN3F4O \
  | 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: 1b875b8e6c2b55b06f2175c6b03765e3ab5a5537302a8f245608ef3cc3239024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e8f3215e67530d3a536508c7e334a35ff9ba02f5f0cfb7349984e4dc766f48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-16T16:34:13Z",
    "title_canon_sha256": "acce019c27f555692afc307ca87a3fdab39f0ed40b2c545174b0996b3460167d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3659",
    "kind": "arxiv",
    "version": 3
  }
}