Pith Number

pith:AN5RI3BY

pith:2021:AN5RI3BYXGZMBPR5PF5BDOPIX6

not attested not anchored not stored refs pending

Multi-segment and Echelle stellar spectra processing issues and how to solve them

Anastasia Kasparova, Anna Saburova, Anton Afanasiev, Evgenii Rubtsov, Igor Chilingarian, Ivan Katkov, Ivan Zolotukhin, Kirill Grishin, Sviatoslav Borisov, Vladimir Goradzhanov

arxiv:2112.01468 v1 · 2021-12-02 · 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{AN5RI3BYXGZMBPR5PF5BDOPIX6}

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	2026-07-05T03:37:09.854687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

037b146c38b9b2c0be3d797a11b9e8bfb4d2af24ca481c2a6672911a169219a9

Aliases

arxiv: 2112.01468 · arxiv_version: 2112.01468v1 · doi: 10.48550/arxiv.2112.01468 · pith_short_12: AN5RI3BYXGZM · pith_short_16: AN5RI3BYXGZMBPR5 · pith_short_8: AN5RI3BY

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/AN5RI3BYXGZMBPR5PF5BDOPIX6 \
  | 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: 037b146c38b9b2c0be3d797a11b9e8bfb4d2af24ca481c2a6672911a169219a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1ba9a9c20795867a8115417212af5706a04d2acbddc18b30fe85379c8409c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-02T18:10:49Z",
    "title_canon_sha256": "109b9381d89d3c4e84cea8330c20a79c46d7384cbd154f8cd289c385913b61cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01468",
    "kind": "arxiv",
    "version": 1
  }
}