Pith Number

pith:D4KC3B44

pith:2012:D4KC3B44UX2M5YUF5SF2B5AWAK

not attested not anchored not stored refs pending

A study of the role of Lyman {\beta} fluorescence on OI line strengths in Be stars

(2) Indian Institute of Astrophysics, Ahmedabad, Annapurni Subramaniam (2), Astrophysics Division, Bangalore, Blesson Mathew (1), Dipankar P. K. Banerjee (1), India, India), N. M. Ashok (1) ((1) Astronomy, Physical Research Laboratory

arxiv:1204.5901 v1 · 2012-04-26 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4KC3B44UX2M5YUF5SF2B5AWAK}

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	2026-05-18T01:57:43.879573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f142d879ca5f4cee285ec8ba0f41602ab4f77967d015786970b67fc51c47175

Aliases

arxiv: 1204.5901 · arxiv_version: 1204.5901v1 · doi: 10.48550/arxiv.1204.5901 · pith_short_12: D4KC3B44UX2M · pith_short_16: D4KC3B44UX2M5YUF · pith_short_8: D4KC3B44

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/D4KC3B44UX2M5YUF5SF2B5AWAK \
  | 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: 1f142d879ca5f4cee285ec8ba0f41602ab4f77967d015786970b67fc51c47175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63d2f57b5dc07c40c4022926572dfa4eb4b33c63bba7a56973e6f10274fb681a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-26T12:38:37Z",
    "title_canon_sha256": "87faa6be7425c889c690f0cbf9116abd643d7f04c68e092c940828e1449ad161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5901",
    "kind": "arxiv",
    "version": 1
  }
}