Pith Number

pith:K7LXHLR4

pith:2026:K7LXHLR43IFVQRRIWFTLQHXAWT

not attested not anchored not stored refs pending

Adaptive multi-line fitting for stable line-core intensity and Doppler velocity

David B. Jess, Glen Chambers, Marco Stangalini, Michele Berretti, Peter H. Keys, Samuel D. T. Grant, Shahin Jafarzadeh, Timothy J. Duckenfield

arxiv:2605.20861 v1 · 2026-05-20 · astro-ph.SR · 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{K7LXHLR43IFVQRRIWFTLQHXAWT}

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	2026-05-21T01:05:24.893031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d773ae3cda0b584628b166b81ee0b4e913c9593b260d6277a4c5a371612b8c

Aliases

arxiv: 2605.20861 · arxiv_version: 2605.20861v1 · doi: 10.48550/arxiv.2605.20861 · pith_short_12: K7LXHLR43IFV · pith_short_16: K7LXHLR43IFVQRRI · pith_short_8: K7LXHLR4

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/K7LXHLR43IFVQRRIWFTLQHXAWT \
  | 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: 57d773ae3cda0b584628b166b81ee0b4e913c9593b260d6277a4c5a371612b8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db982efe326fde750b16e077d4595e5fed4876e2029494010cfc674150ae995a",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-20T07:54:17Z",
    "title_canon_sha256": "b3b0c74b3d493419824e9c36269fea97c041d57edffa29ccc77d60e0add03a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20861",
    "kind": "arxiv",
    "version": 1
  }
}