Pith Number

pith:NEA22DWO

pith:2025:NEA22DWOGZ6HJWCA2GUU5NLCLT

not attested not anchored not stored refs pending

Searching for signatures of Fe II atomic processes in spectra of active galactic nuclei

Ivan Doj\v{c}inovi\'c, Jelena Kova\v{c}evi\'c-Doj\v{c}inovi\'c, Luka \v{C}. Popovi\'c, Ma\v{s}a Laki\'cevi\'c

arxiv:2501.17611 v1 · 2025-01-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEA22DWOGZ6HJWCA2GUU5NLCLT}

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	2026-07-05T10:19:37.380473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6901ad0ece367c74d840d1a94eb5625ce9ea8a186d2c180a458703d0c8189bf9

Aliases

arxiv: 2501.17611 · arxiv_version: 2501.17611v1 · doi: 10.48550/arxiv.2501.17611 · pith_short_12: NEA22DWOGZ6H · pith_short_16: NEA22DWOGZ6HJWCA · pith_short_8: NEA22DWO

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/NEA22DWOGZ6HJWCA2GUU5NLCLT \
  | 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: 6901ad0ece367c74d840d1a94eb5625ce9ea8a186d2c180a458703d0c8189bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581c2f6deb64c9518f4121d60f014fec5640b40db29c950feeead84c72355fdb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-29T12:34:44Z",
    "title_canon_sha256": "5675c780a4462761032b3fa276f843dd20259833d37bc108f6d175a5950184b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17611",
    "kind": "arxiv",
    "version": 1
  }
}