Pith Number

pith:UCZ6D5GC

pith:2018:UCZ6D5GCA2ZV4IDIPTZ236WXKJ

not attested not anchored not stored refs pending

Ground-based Spectroscopy of the Exoplanet XO-2b using a Systematic Wavelength Calibration

Caitlin A. Griffith, Gael M. Roudier, Kyle A. Pearson, Robert T. Zellem, Tommi T. Koskinen

arxiv:1811.02060 v2 · 2018-11-05 · 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{UCZ6D5GCA2ZV4IDIPTZ236WXKJ}

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	2026-05-17T23:56:58.120337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b3e1f4c206b35e20687cf3adfad7527b3d7e817950415b4e88f45a6e371427

Aliases

arxiv: 1811.02060 · arxiv_version: 1811.02060v2 · doi: 10.48550/arxiv.1811.02060 · pith_short_12: UCZ6D5GCA2ZV · pith_short_16: UCZ6D5GCA2ZV4IDI · pith_short_8: UCZ6D5GC

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/UCZ6D5GCA2ZV4IDIPTZ236WXKJ \
  | 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: a0b3e1f4c206b35e20687cf3adfad7527b3d7e817950415b4e88f45a6e371427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7bc5685a55d169b804533251aaa36ecad7ee9816c92f5a21244662475b1057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-05T22:21:18Z",
    "title_canon_sha256": "e3d0d94c030b2de3eaa8a85d079ee833540ea4873cd41f29a4d2e063d3ffdee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02060",
    "kind": "arxiv",
    "version": 2
  }
}