Pith Number

pith:5ZF7JLVC

pith:2016:5ZF7JLVC2YLJL2DUCB5BZK65YT

not attested not anchored not stored refs pending

The stellar obliquity, planet mass, and very low albedo of Qatar-2 from K2 Photometry

Fei Dai, Joshua N. Winn, Liang Yu, Simon Albrecht

arxiv:1609.01314 v2 · 2016-09-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZF7JLVC2YLJL2DUCB5BZK65YT}

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	2026-05-18T00:53:07.582216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee4bf4aea2d61695e874107a1cabddc4d1c5c9bc7780abee0c2c0242bd26347c

Aliases

arxiv: 1609.01314 · arxiv_version: 1609.01314v2 · doi: 10.48550/arxiv.1609.01314 · pith_short_12: 5ZF7JLVC2YLJ · pith_short_16: 5ZF7JLVC2YLJL2DU · pith_short_8: 5ZF7JLVC

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/5ZF7JLVC2YLJL2DUCB5BZK65YT \
  | 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: ee4bf4aea2d61695e874107a1cabddc4d1c5c9bc7780abee0c2c0242bd26347c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd1c1a7fc4f17b5880fa5e2d830398663c014865ae182e27e761502f28cfb057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-09-05T20:21:21Z",
    "title_canon_sha256": "a9d5d609c91ee2e52ba59ab1551149fb88c352e7f1ac7ff3a9577f7fb1def0b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01314",
    "kind": "arxiv",
    "version": 2
  }
}