Pith Number

pith:DSBPBPQ6

pith:2013:DSBPBPQ6N6YMYQPM3XFBCQTOAU

not attested not anchored not stored refs pending

Subaru/HDS study of HE 1015-2050: Spectral evidence of R Coronae Borealis light decline

(2) National Astronomical Observatory, Aruna Goswami (1), Bangalore, India, Japan), Mitaka, Tokyo, Wako Aoki (2) ((1) Indian Institute of Astrophysics

arxiv:1301.3587 v1 · 2013-01-16 · 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{DSBPBPQ6N6YMYQPM3XFBCQTOAU}

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	2026-05-18T01:52:06.778077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c82f0be1e6fb0cc41ecddca11426e051196b49745a0f34a7863bd8450dc064b

Aliases

arxiv: 1301.3587 · arxiv_version: 1301.3587v1 · doi: 10.48550/arxiv.1301.3587 · pith_short_12: DSBPBPQ6N6YM · pith_short_16: DSBPBPQ6N6YMYQPM · pith_short_8: DSBPBPQ6

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/DSBPBPQ6N6YMYQPM3XFBCQTOAU \
  | 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: 1c82f0be1e6fb0cc41ecddca11426e051196b49745a0f34a7863bd8450dc064b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8df578b9af1e5bdb8b09c24d2ae7bad34287374fbbbafd55f618c8bf97209aa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-16T05:05:20Z",
    "title_canon_sha256": "0e063a3b85cb0645d326905e952b265b5c1432229917901997b18484c31e2835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3587",
    "kind": "arxiv",
    "version": 1
  }
}