Pith Number

pith:B7J54PTX

pith:2011:B7J54PTXKW3RVT7C2BRCURPCYX

not attested not anchored not stored refs pending

The Optical Gravitational Lensing Experiment. Dwarf Novae in the OGLE Data. I. Three New Dwarf Novae: One in the Period Gap and Two Longer Period Objects

A. Udalski, G. Pietrzy\'nski, I. Soszy\'nski, J. Skowron, K. Ulaczyk, {\L}. Wyrzykowski, M. K. Szyma\'nski, M. Kubiak, P. Pietrukowicz, R. Poleski, S. Koz{\l}owski

arxiv:1107.2407 v1 · 2011-07-12 · 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{B7J54PTXKW3RVT7C2BRCURPCYX}

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	2026-05-18T04:18:23.064041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd3de3e7755b71acfe2d0622a45e2c5d15c9bcc852d9875d93a7f59164d5ccb

Aliases

arxiv: 1107.2407 · arxiv_version: 1107.2407v1 · doi: 10.48550/arxiv.1107.2407 · pith_short_12: B7J54PTXKW3R · pith_short_16: B7J54PTXKW3RVT7C · pith_short_8: B7J54PTX

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/B7J54PTXKW3RVT7C2BRCURPCYX \
  | 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: 0fd3de3e7755b71acfe2d0622a45e2c5d15c9bcc852d9875d93a7f59164d5ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62d5fbf62526c34019ee053e1736bd20d9cd34a918b57ccfe9d3bf6fd57f4fc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-12T20:02:31Z",
    "title_canon_sha256": "196e0f5d31316b2ae21ee256d797e7342db317a383d2dfc5cb859b937ad62bc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2407",
    "kind": "arxiv",
    "version": 1
  }
}