Pith Number

pith:DZIUKOBX

pith:2005:DZIUKOBXXLSPRYICBAQCTLXR2U

not attested not anchored not stored refs pending

Ring shaped 6.7 GHz methanol maser emission around a young high-mass star

(2) Joint Institute for VLBI in Europe, 3) ((1) Torun Centre for Astronomy, (3) Sterrewacht Leiden), A. Bartkiewicz (1), H.J. van Langevelde (2, M. Szymczak (1), Nicolaus Copernicus University

arxiv:astro-ph/0509578 v2 · 2005-09-20 · 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{DZIUKOBXXLSPRYICBAQCTLXR2U}

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	2026-05-18T01:07:30.642935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e51453837bae4f8e102082029aef1d51c63a17d3be45bd4cd6b2398a9187a4b

Aliases

arxiv: astro-ph/0509578 · arxiv_version: astro-ph/0509578v2 · doi: 10.48550/arxiv.astro-ph/0509578 · pith_short_12: DZIUKOBXXLSP · pith_short_16: DZIUKOBXXLSPRYIC · pith_short_8: DZIUKOBX

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/DZIUKOBXXLSPRYICBAQCTLXR2U \
  | 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: 1e51453837bae4f8e102082029aef1d51c63a17d3be45bd4cd6b2398a9187a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fcaddfff0808bf0069d1e6808933ab36f98c5d9458de7ac834f1ac7257d26c1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-20T07:33:49Z",
    "title_canon_sha256": "781c17e52dc6ea96bf7b5d8222a061c0e54239871d8cee6b34ea54ffc8ffc0d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509578",
    "kind": "arxiv",
    "version": 2
  }
}