Pith Number

pith:MJ6S6BQI

pith:2017:MJ6S6BQIBD64LOHHXWRACXJUKE

not attested not anchored not stored refs pending

A decade of H$\alpha$ transits for HD 189733 b: stellar activity versus absorption in the extended atmosphere

Adam G. Jensen, P. Wilson Cauley, Seth Redfield

arxiv:1703.09543 v1 · 2017-03-28 · 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{MJ6S6BQIBD64LOHHXWRACXJUKE}

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	2026-05-18T00:45:38.921781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

627d2f060808fdc5b8e7bda2015d345132222c287ddce85baf819c9492b3cbd8

Aliases

arxiv: 1703.09543 · arxiv_version: 1703.09543v1 · doi: 10.48550/arxiv.1703.09543 · pith_short_12: MJ6S6BQIBD64 · pith_short_16: MJ6S6BQIBD64LOHH · pith_short_8: MJ6S6BQI

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/MJ6S6BQIBD64LOHHXWRACXJUKE \
  | 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: 627d2f060808fdc5b8e7bda2015d345132222c287ddce85baf819c9492b3cbd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38adbeb8fd2d44b6bcc26f72c30cbc2c530103f5fa0cb844662929d08ea269d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-03-28T12:36:58Z",
    "title_canon_sha256": "b2f73b02d8426b008908f2ed2b7f0857e3af0bfccc27d88ce72ea80512b96cb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09543",
    "kind": "arxiv",
    "version": 1
  }
}