Pith Number

pith:KUO5IZKX

pith:2021:KUO5IZKXKVLZYI3QIFSOE4RLKT

not attested not anchored not stored refs pending

Addendum: Precision in high resolution absorption line modelling, analytic Voigt derivatives, and optimisation methods

Chung-Chi Lee, John K. Webb, Robert F. Carswell

arxiv:2112.14490 v1 · 2021-12-29 · astro-ph.IM · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUO5IZKXKVLZYI3QIFSOE4RLKT}

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	2026-07-05T03:47:47.642845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

551dd4655755579c23704164e2722b54c3fcc8a4fbf9d1163ca82a6a22693a20

Aliases

arxiv: 2112.14490 · arxiv_version: 2112.14490v1 · doi: 10.48550/arxiv.2112.14490 · pith_short_12: KUO5IZKXKVLZ · pith_short_16: KUO5IZKXKVLZYI3Q · pith_short_8: KUO5IZKX

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/KUO5IZKXKVLZYI3QIFSOE4RLKT \
  | 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: 551dd4655755579c23704164e2722b54c3fcc8a4fbf9d1163ca82a6a22693a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d2bf417ccdc57ea0eb49fdf583697bdf420552697e23b9b971caaec2a9de05",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-29T10:44:02Z",
    "title_canon_sha256": "7bb5d3b2fa62d288d8c352c7573ed2e29ac54baaddcd2226131fdf0d7e36cd12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.14490",
    "kind": "arxiv",
    "version": 1
  }
}