Pith Number

pith:IWL7P4WX

pith:2012:IWL7P4WXTD44PTS46QWA264WR4

not attested not anchored not stored refs pending

The Optical Gravitational Lensing Experiment. Gaia South Ecliptic Pole Field as Seen by OGLE-IV

A. Udalski, G. Pietrzynski, I. Soszynski, J. Skowron, K. Ulaczyk, L. Wyrzykowski, M. K. Szymanski, M. Kubiak, P. Pietrukowicz, R. Poleski, S. Kozlowski

arxiv:1210.1219 v2 · 2012-10-03 · astro-ph.SR · 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{IWL7P4WXTD44PTS46QWA264WR4}

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	2026-05-18T03:41:12.159369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4597f7f2d798f9c7ce5cf42c0d7b968f12b1081a3192c66b08881f60e206efef

Aliases

arxiv: 1210.1219 · arxiv_version: 1210.1219v2 · doi: 10.48550/arxiv.1210.1219 · pith_short_12: IWL7P4WXTD44 · pith_short_16: IWL7P4WXTD44PTS4 · pith_short_8: IWL7P4WX

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/IWL7P4WXTD44PTS46QWA264WR4 \
  | 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: 4597f7f2d798f9c7ce5cf42c0d7b968f12b1081a3192c66b08881f60e206efef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffd1a9692b350c0f7789af2ea8889d0e7a340693fc92ba715667eb8556659774",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-03T20:00:03Z",
    "title_canon_sha256": "8118c7af6e0bb2fc3a026c77ce2f69fa80b44fc29907896c68830d8566f5bdd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1219",
    "kind": "arxiv",
    "version": 2
  }
}