Pith Number

pith:UUYRY2KB

pith:2006:UUYRY2KBWFKFEVFL7ASOLHWUYL

not attested not anchored not stored refs pending

Chemical Abundances in the Secondary Star of the Black Hole Binary V4641 Sagittarii (SAX J1819.3-2525)

(2) NAOJ, (3) Tokai University, (4) Nagoya Science Museum, (5) NAOJ, (6) Michigan State University, (7) Japan Atomic Energy Agency, (8) U. Tokyo, Akira Arai (1), Akito Tajitsu (5), HI, Hideyuki Umeda (8), Japan, Japan), Keiichi Maeda (8), Ken'ichi Nomoto (8) ((1) Osaka Kyoiku University, Kozo Sadakane (1), Masahide Takada-Hidai (3), MI, Nobuo Arimoto (2), Nobuyuki Iwamoto (7), Nozomu Tominaga (8), Takashi Ohnishi (4), Timothy C. Beers (6), Wako Aoki (2)

arxiv:astro-ph/0607015 v1 · 2006-07-03 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUYRY2KBWFKFEVFL7ASOLHWUYL}

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	2026-05-18T01:40:30.138930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5311c6941b1545254abf824e59ed4c2f98053fda342fa6ec7292d9d862952a6

Aliases

arxiv: astro-ph/0607015 · arxiv_version: astro-ph/0607015v1 · doi: 10.48550/arxiv.astro-ph/0607015 · pith_short_12: UUYRY2KBWFKF · pith_short_16: UUYRY2KBWFKFEVFL · pith_short_8: UUYRY2KB

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/UUYRY2KBWFKFEVFL7ASOLHWUYL \
  | 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: a5311c6941b1545254abf824e59ed4c2f98053fda342fa6ec7292d9d862952a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfd3879b39b3d589d58d215fecf50e64f0694c9dc82092724989d110ff6a8940",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-03T04:29:30Z",
    "title_canon_sha256": "21291efdac8be52ae96862f3929ee98c27265ead657d1ecfd993b900b6f28de7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607015",
    "kind": "arxiv",
    "version": 1
  }
}