Pith Number

pith:LDU5R6AC

pith:2015:LDU5R6ACK2FM4BLMGAVALQ5ZI2

not attested not anchored not stored refs pending

Starspots on WASP-85

B. J. M. Clark, C. Hellier, D. J. A. Brown, D. R. Anderson, T. Mo\v{c}nik

arxiv:1508.07281 v2 · 2015-08-28 · 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{LDU5R6ACK2FM4BLMGAVALQ5ZI2}

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	2026-05-18T01:13:16.610974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e9d8f802568ace056c302a05c3b946ac059b8e0cb14ff016c227057a3d9332

Aliases

arxiv: 1508.07281 · arxiv_version: 1508.07281v2 · doi: 10.48550/arxiv.1508.07281 · pith_short_12: LDU5R6ACK2FM · pith_short_16: LDU5R6ACK2FM4BLM · pith_short_8: LDU5R6AC

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/LDU5R6ACK2FM4BLMGAVALQ5ZI2 \
  | 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: 58e9d8f802568ace056c302a05c3b946ac059b8e0cb14ff016c227057a3d9332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257cfadbdf1675a2b11477c3757a8fa93a67a46b9088ef5c8daf211260044477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-08-28T17:07:24Z",
    "title_canon_sha256": "2130d0f41c98313b03c35e4a906b5bd962b0e737c3a5f74fad756c0caa784d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07281",
    "kind": "arxiv",
    "version": 2
  }
}