Pith Number

pith:O5L7WHKN

pith:2024:O5L7WHKNB465TM7FHMPAP2TCYA

not attested not anchored not stored refs pending

SPECtrophotometer for TRansmission spectroscopy of exoplanets (SPECTR)

Bi-Ho Jang, Byeong-Cheol Lee, Chan Park, Inwoo Han, Jae-Rim Koo, Jeong-Gyun Jang, Jong Ung Lee, Kang-Min Kim, Myeong-Gu Park, Tae-Yang Bang, Ueejeong Jeong, Yeon-ho Choi

arxiv:2407.21268 v1 · 2024-07-31 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5L7WHKNB465TM7FHMPAP2TCYA}

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	2026-07-05T11:36:21.156849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7757fb1d4d0f3dd9b3e53b1e07ea62c0257e76c3398fed52009da0f45c677767

Aliases

arxiv: 2407.21268 · arxiv_version: 2407.21268v1 · doi: 10.48550/arxiv.2407.21268 · pith_short_12: O5L7WHKNB465 · pith_short_16: O5L7WHKNB465TM7F · pith_short_8: O5L7WHKN

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/O5L7WHKNB465TM7FHMPAP2TCYA \
  | 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: 7757fb1d4d0f3dd9b3e53b1e07ea62c0257e76c3398fed52009da0f45c677767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea890b99d47a1d46774a37409e600877a61f00f833cff60d93ffb64072d35c9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-07-31T01:24:52Z",
    "title_canon_sha256": "b82b5edbcdb1972987419d28840d83bc91223ad9bb33b4aebe76fa7d8bd8b9f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.21268",
    "kind": "arxiv",
    "version": 1
  }
}