Pith Number

pith:TZ44J6A5

pith:2004:TZ44J6A53LZ2B5JG3P755PUEMN

not attested not anchored not stored refs pending

VERA Observation of the W49N H2O Maser Outburst in 2003 October

A. Nakagawa, H. Imai, H. Kobayashi, H. Suda, J. Ishitsuka, Kagoshima University, K. Horiai, K. Iwadate, K.M. Shibata, K. Nakashima, K. Sato, K. Sora, K. Yamashita (the VERA project - NAOJ, M. Honma, M. Rioja, N. Inomata, N. Kawaguchi, O. Kameya, R. Kamohara, R. Nagayoshi, R. Shimizu, S. Kuji, S. Manabe, S. Sakai, S. Sakakibara, T. Bushimata, T. Fujii, T. Hirota, T. Jike, T. Kurayama, T. Miyaji, T. Omodaka, T. Oyama, T. Sasao, University of Tokyo), Y. Kan-ya, Y.K. Choi, Y. Tamura

arxiv:astro-ph/0405140 v1 · 2004-05-07 · 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{TZ44J6A53LZ2B5JG3P755PUEMN}

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	2026-05-18T01:40:37.071959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e79c4f81ddaf3a0f526dbffdebe84637d569089e90c72337f65e83ab8869769

Aliases

arxiv: astro-ph/0405140 · arxiv_version: astro-ph/0405140v1 · doi: 10.48550/arxiv.astro-ph/0405140 · pith_short_12: TZ44J6A53LZ2 · pith_short_16: TZ44J6A53LZ2B5JG · pith_short_8: TZ44J6A5

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/TZ44J6A53LZ2B5JG3P755PUEMN \
  | 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: 9e79c4f81ddaf3a0f526dbffdebe84637d569089e90c72337f65e83ab8869769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b7c7114c6630ca5dc10b2807469c7557c27f4949b2e187b89b9ab7cfc134691",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-07T11:19:50Z",
    "title_canon_sha256": "fb319902101d983a0d3d8fed277b14fbda2517e728661ccfeedf4e8b1bce2063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405140",
    "kind": "arxiv",
    "version": 1
  }
}