Pith Number

pith:NGV7D2HO

pith:2003:NGV7D2HOBS7PW26MFEHWDIETVK

not attested not anchored not stored refs pending

On the Possibility of V4444 Sgr as a Recurrent Nova

H. Yamaoka (Kyushu U), S. Kiyota (VSOLJ), T. Kato (Kyoto U)

arxiv:astro-ph/0309056 v1 · 2003-09-02 · 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{NGV7D2HOBS7PW26MFEHWDIETVK}

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	2026-05-18T01:40:38.299352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69abf1e8ee0cbefb6bcc290f61a093aaa37fa4e93adbe85082cfee51c8e7592a

Aliases

arxiv: astro-ph/0309056 · arxiv_version: astro-ph/0309056v1 · doi: 10.48550/arxiv.astro-ph/0309056 · pith_short_12: NGV7D2HOBS7P · pith_short_16: NGV7D2HOBS7PW26M · pith_short_8: NGV7D2HO

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/NGV7D2HOBS7PW26MFEHWDIETVK \
  | 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: 69abf1e8ee0cbefb6bcc290f61a093aaa37fa4e93adbe85082cfee51c8e7592a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b572bf6f66ce478e8e64197dee08a1d055c3fbc7bfc0702cff5e7838e1a4a68",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-02T12:51:22Z",
    "title_canon_sha256": "d986ec09ea21a102401311544fbc175c91ece95e45a8610cbbdaea6893614e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309056",
    "kind": "arxiv",
    "version": 1
  }
}