Pith Number

pith:ISRYMENX

pith:2019:ISRYMENX2WHPJWBBPSY5SDBF2I

not attested not anchored not stored refs pending

Unseen companions of V Hya inferred from periodic ejections

Alexander P. Stephan, Jesus M. Salas, Mark R. Morris, Smadar Naoz

arxiv:1902.08206 v2 · 2019-02-21 · 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{ISRYMENX2WHPJWBBPSY5SDBF2I}

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	2026-05-17T23:43:36.952195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a38611b7d58ef4d8217cb1d90c25d221297886b67909cfb92473a9c481c480

Aliases

arxiv: 1902.08206 · arxiv_version: 1902.08206v2 · doi: 10.48550/arxiv.1902.08206 · pith_short_12: ISRYMENX2WHP · pith_short_16: ISRYMENX2WHPJWBB · pith_short_8: ISRYMENX

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/ISRYMENX2WHPJWBBPSY5SDBF2I \
  | 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: 44a38611b7d58ef4d8217cb1d90c25d221297886b67909cfb92473a9c481c480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc569d1d671fc638c775a5586800e48a889dcef05f1d30157784f61e2a6af29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-21T19:00:01Z",
    "title_canon_sha256": "9949c938d1c77acfad52e993bf7276e9f3e78888415238626f73930ae8e35732"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08206",
    "kind": "arxiv",
    "version": 2
  }
}