Pith Number

pith:P3REQVYU

pith:2020:P3REQVYUSGSKQZX7A3DIT7TJFX

not attested not anchored not stored refs pending

Optical spectroscopy of Galactic field Classical Be stars

Annapurni Subramaniam, Blesson Mathew, Gourav Banerjee, K. T. Paul, R. Anusha, Suman Bhattacharyya

arxiv:2011.08622 v1 · 2020-11-17 · 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{P3REQVYUSGSKQZX7A3DIT7TJFX}

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	2026-07-05T01:52:07.146913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ee248571491a4a866ff06c689fe692ddc016ad789a7781da4dd9f05694a7974

Aliases

arxiv: 2011.08622 · arxiv_version: 2011.08622v1 · doi: 10.48550/arxiv.2011.08622 · pith_short_12: P3REQVYUSGSK · pith_short_16: P3REQVYUSGSKQZX7 · pith_short_8: P3REQVYU

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/P3REQVYUSGSKQZX7A3DIT7TJFX \
  | 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: 7ee248571491a4a866ff06c689fe692ddc016ad789a7781da4dd9f05694a7974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd65baaaf04cd3f9f4a1007597b077f0df5cfd6bf7eb54a10145c773c0aa5be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-11-17T13:25:13Z",
    "title_canon_sha256": "5e7c0552938713196ccf4930e5a3ffb2e21544294a33766d1e403debe8b5aa83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08622",
    "kind": "arxiv",
    "version": 1
  }
}