Pith Number

pith:2VK7ADZC

pith:2017:2VK7ADZCTSU7HAP2IES3LWDEBU

not attested not anchored not stored refs pending

A Model of the H$\alpha$ and Na Transmission Spectrum of HD 189733b

Chenliang Huang, Duncan Christie, Phil Arras, Zhi-Yun Li

arxiv:1711.05428 v1 · 2017-11-15 · 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{2VK7ADZCTSU7HAP2IES3LWDEBU}

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	2026-05-18T00:26:24.000659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d555f00f229ca9f381fa4125b5d8640d2c45beed1bf9581eee1d2f78f2fad59b

Aliases

arxiv: 1711.05428 · arxiv_version: 1711.05428v1 · doi: 10.48550/arxiv.1711.05428 · pith_short_12: 2VK7ADZCTSU7 · pith_short_16: 2VK7ADZCTSU7HAP2 · pith_short_8: 2VK7ADZC

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/2VK7ADZCTSU7HAP2IES3LWDEBU \
  | 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: d555f00f229ca9f381fa4125b5d8640d2c45beed1bf9581eee1d2f78f2fad59b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c536cfdad69dbd0cffdac38dbf9fb0b0fb051d24531dc9c4990fe66ca5e1621",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-15T06:53:58Z",
    "title_canon_sha256": "9039d8e02d943fde83496c42ca2dd53f10faa6c8f426131cb6ebcd0e6b7d8e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05428",
    "kind": "arxiv",
    "version": 1
  }
}