Pith Number

pith:2RA57SWF

pith:2018:2RA57SWFI6RL2BCULKN3RJQQ7Q

not attested not anchored not stored refs pending

The VVV Survey RR Lyrae Population in the Galactic Centre Region

\'Alvaro Rojas-Arriagada, Dante Minniti, Elena Valenti, Felipe Gran, Javier Alonso-Garc\'ia, Manuela Zoccali, Mar\'ia Gabriela Navarro, Pablo Huijse, Rodrigo Contreras Ramos

arxiv:1807.04303 v1 · 2018-07-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RA57SWFI6RL2BCULKN3RJQQ7Q}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:52:07.330930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d441dfcac547a2bd04545a9bb8a610fc2cbb78fd31d25208fed604bce273ee9f

Aliases

arxiv: 1807.04303 · arxiv_version: 1807.04303v1 · doi: 10.48550/arxiv.1807.04303 · pith_short_12: 2RA57SWFI6RL · pith_short_16: 2RA57SWFI6RL2BCU · pith_short_8: 2RA57SWF

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/2RA57SWFI6RL2BCULKN3RJQQ7Q \
  | 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: d441dfcac547a2bd04545a9bb8a610fc2cbb78fd31d25208fed604bce273ee9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03157eed1d9a777666dc5379477ebb648a80494dc27b31e17da56e36a14296f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-11T18:07:03Z",
    "title_canon_sha256": "45792568bf9e59028472b0cd40cdec24c9322a1bcfa306f311d7a28b13553ce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04303",
    "kind": "arxiv",
    "version": 1
  }
}