Pith Number

pith:BQNDZPYH

pith:2012:BQNDZPYHSY4Z275OHM4T4PXBQX

not attested not anchored not stored refs pending

The ongoing pursuit of R Coronae Borealis stars: ASAS-3 survey strikes again

B. Pilecki, D. Kilkenny, D. L. Welch, G. C. Clayton, L. Wyrzykowski, P. Tisserand

arxiv:1211.2475 v4 · 2012-11-11 · 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{BQNDZPYHSY4Z275OHM4T4PXBQX}

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	2026-05-18T01:53:16.942914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c1a3cbf0796399d7fae3b393e3ee185da42a636e8f4543c9efe428997deac9f

Aliases

arxiv: 1211.2475 · arxiv_version: 1211.2475v4 · doi: 10.48550/arxiv.1211.2475 · pith_short_12: BQNDZPYHSY4Z · pith_short_16: BQNDZPYHSY4Z275O · pith_short_8: BQNDZPYH

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/BQNDZPYHSY4Z275OHM4T4PXBQX \
  | 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: 0c1a3cbf0796399d7fae3b393e3ee185da42a636e8f4543c9efe428997deac9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b6606e7dab163a515cb1bf6764d23f039c7167ecd231cb5929d98ac8a07e52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-11T23:00:08Z",
    "title_canon_sha256": "3a660276d232cb3d2e7570b555fcdebc91de31fce0e2e6d7f5da932d19f9713d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2475",
    "kind": "arxiv",
    "version": 4
  }
}