Pith Number

pith:JPJPNNSA

pith:2017:JPJPNNSAW5W5HWYI2HMGUKDL47

not attested not anchored not stored refs pending

Deciphering the Surprising Variability of A-type Stars Revealed by Kepler

Gregg A. Wade, James Sikora, Jason Rowe

arxiv:1712.02821 v1 · 2017-12-07 · 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{JPJPNNSAW5W5HWYI2HMGUKDL47}

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	2026-05-18T00:28:29.187532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd2f6b640b76dd3db08d1d86a286be7f81a0e1e06cd3c0f231e6e394acc1eff

Aliases

arxiv: 1712.02821 · arxiv_version: 1712.02821v1 · doi: 10.48550/arxiv.1712.02821 · pith_short_12: JPJPNNSAW5W5 · pith_short_16: JPJPNNSAW5W5HWYI · pith_short_8: JPJPNNSA

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/JPJPNNSAW5W5HWYI2HMGUKDL47 \
  | 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: 4bd2f6b640b76dd3db08d1d86a286be7f81a0e1e06cd3c0f231e6e394acc1eff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e65e648b8563541407c84c1999878519c8eff3e0a662bc3a307b01b8816468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-07T19:18:15Z",
    "title_canon_sha256": "0ca25085b9a1c0374fb7e9bf5a72d904db16cb6021399647d5db0c31faf2b65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02821",
    "kind": "arxiv",
    "version": 1
  }
}