Pith Number

pith:BDR5CAVY

pith:2019:BDR5CAVYCINKON5Y7LVFFRXZ3F

not attested not anchored not stored refs pending

VVV-WIT-04: an extragalactic variable source caught by the VVV Survey

Carlos Gonzalez-Fernandez, Daniel Ruschel-Dutra, Dante Minniti, Leigh C. Smith, Maria Gabriela Navarro, Nicola Masetti, Philip W. Lucas, Roberto Cid Fernandes, Roberto K. Saito, Rodrigo Contreras Ramos, Valentin D. Ivanov

arxiv:1909.07516 v1 · 2019-09-16 · 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{BDR5CAVYCINKON5Y7LVFFRXZ3F}

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	2026-07-05T00:09:05.094955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e3d102b8121aa737b8faea52c6f9d970587dd79d40bd784cbd2589f70e8a6f

Aliases

arxiv: 1909.07516 · arxiv_version: 1909.07516v1 · doi: 10.48550/arxiv.1909.07516 · pith_short_12: BDR5CAVYCINK · pith_short_16: BDR5CAVYCINKON5Y · pith_short_8: BDR5CAVY

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/BDR5CAVYCINKON5Y7LVFFRXZ3F \
  | 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: 08e3d102b8121aa737b8faea52c6f9d970587dd79d40bd784cbd2589f70e8a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3545586a80d83e526ce46b583dd9ad2b957ed679efbcd1d3f4e8cceffeb4f858",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-16T22:57:41Z",
    "title_canon_sha256": "32a2fa6db8c4f62e237bbe196f75a44ab3ef7ba3ab49a39835e096dbbe761f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07516",
    "kind": "arxiv",
    "version": 1
  }
}