Pith Number

pith:PNSQC6U7

pith:2016:PNSQC6U7K6BLZGFEZF6NZERKGY

not attested not anchored not stored refs pending

A Trip to the Cataclysmic Binary Zoo: Detailed Follow-Up of 35 Recently-Discovered Systems

Erek H. Alper, John R. Thorstensen, Kathryn E. Weil

arxiv:1609.02215 v1 · 2016-09-07 · 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{PNSQC6U7K6BLZGFEZF6NZERKGY}

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	2026-05-18T00:55:12.064738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b65017a9f5782bc98a4c97cdc922a3612acd98e9311cd5ced7cf6a4809446db

Aliases

arxiv: 1609.02215 · arxiv_version: 1609.02215v1 · doi: 10.48550/arxiv.1609.02215 · pith_short_12: PNSQC6U7K6BL · pith_short_16: PNSQC6U7K6BLZGFE · pith_short_8: PNSQC6U7

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/PNSQC6U7K6BLZGFEZF6NZERKGY \
  | 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: 7b65017a9f5782bc98a4c97cdc922a3612acd98e9311cd5ced7cf6a4809446db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569b716bcaff974c8d466e298c51b1f40d55b7bb68b8ed1a13b36f701e3fc35f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-07T23:05:29Z",
    "title_canon_sha256": "6c039ac352fec747d7799ec6c3aa7d6746ed96c0611ca0c664b4b394cb11d44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02215",
    "kind": "arxiv",
    "version": 1
  }
}