Pith Number

pith:ELRFPOVT

pith:2012:ELRFPOVTEKPJTSMP3BPY7CW7VZ

not attested not anchored not stored refs pending

Profiles of Lyman\alpha\ Emission Lines

K. Kousai, M. Umemura, N. Morimoto, T. Hayashino, T. Yamada, Y. Matsuda

arxiv:1203.3633 v1 · 2012-03-16 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELRFPOVTEKPJTSMP3BPY7CW7VZ}

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	2026-05-18T01:58:08.111251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22e257bab3229e99c98fd85f8f8adfae4b5506688a6def95488049c211910421

Aliases

arxiv: 1203.3633 · arxiv_version: 1203.3633v1 · doi: 10.48550/arxiv.1203.3633 · pith_short_12: ELRFPOVTEKPJ · pith_short_16: ELRFPOVTEKPJTSMP · pith_short_8: ELRFPOVT

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/ELRFPOVTEKPJTSMP3BPY7CW7VZ \
  | 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: 22e257bab3229e99c98fd85f8f8adfae4b5506688a6def95488049c211910421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dcf236e099a5a768d6dfa5ac311e3c83e287bc4f912eedbcb874a01fce41b35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-16T08:33:04Z",
    "title_canon_sha256": "75bddbb458189542ca927e2e349cb9890a8a1952d4f5c15d36cff9d1196640dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3633",
    "kind": "arxiv",
    "version": 1
  }
}