Pith Number

pith:VMBLYDGA

pith:2002:VMBLYDGAPWJCHCVUEYOUXOHCJ4

not attested not anchored not stored refs pending

Observations of SiO Maser Sources within a Few Parsec from the Galactic Center

Jun-ichi Nakashima, Makoto Miyoshi, Shuji Deguchi, Takahiro Fujii

arxiv:astro-ph/0201077 v1 · 2002-01-07 · 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{VMBLYDGAPWJCHCVUEYOUXOHCJ4}

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	2026-05-18T01:40:43.464749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab02bc0cc07d92238ab4261d4bb8e24f1bff5971e451c400e7d9ee890bcbdf12

Aliases

arxiv: astro-ph/0201077 · arxiv_version: astro-ph/0201077v1 · doi: 10.48550/arxiv.astro-ph/0201077 · pith_short_12: VMBLYDGAPWJC · pith_short_16: VMBLYDGAPWJCHCVU · pith_short_8: VMBLYDGA

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/VMBLYDGAPWJCHCVUEYOUXOHCJ4 \
  | 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: ab02bc0cc07d92238ab4261d4bb8e24f1bff5971e451c400e7d9ee890bcbdf12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79907571da2a23f2e7fb4a89f6b8f1e4d9a63c7564ec86609ad7cd07518b35e3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-07T06:00:15Z",
    "title_canon_sha256": "80b7aace012696b6b05f68ad86aee687cc04bcca4d84139f450f97f65b0b2787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201077",
    "kind": "arxiv",
    "version": 1
  }
}