Pith Number

pith:I3FCNHDJ

pith:2013:I3FCNHDJQF3KFIGMU7C7CYSLBC

not attested not anchored not stored refs pending

A new look at the symbiotic star RW Hydrae

J. Miko{\l}ajewska, M. Otulakowska-Hypka, P. A. Whitelock

arxiv:1306.5191 v1 · 2013-06-21 · 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{I3FCNHDJQF3KFIGMU7C7CYSLBC}

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	2026-05-18T03:20:19.449856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ca269c698176a2a0cca7c5f1624b0895e37d4a654503deb343eaeff2139191

Aliases

arxiv: 1306.5191 · arxiv_version: 1306.5191v1 · doi: 10.48550/arxiv.1306.5191 · pith_short_12: I3FCNHDJQF3K · pith_short_16: I3FCNHDJQF3KFIGM · pith_short_8: I3FCNHDJ

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/I3FCNHDJQF3KFIGMU7C7CYSLBC \
  | 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: 46ca269c698176a2a0cca7c5f1624b0895e37d4a654503deb343eaeff2139191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b022270c3e4d27c91238e1e2bd2b903df93add716da5a1b6fe613e4f802b700d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-21T16:27:08Z",
    "title_canon_sha256": "839db5cfb95417a993f2f3aaccd771d97d318ecd11e3598db96208dac54b00fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5191",
    "kind": "arxiv",
    "version": 1
  }
}