Pith Number

pith:RAP4KKH5

pith:2009:RAP4KKH5H4GIM2B4JRVFI33XUD

not attested not anchored not stored refs pending

Oscillation Phenomena in the disk around the massive black hole Sagittarius A*

M. Miyoshi, R.Takahashi, T. Oyama, Y.Kato, Zhi-Qiang Shen

arxiv:0906.5511 v2 · 2009-06-30 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAP4KKH5H4GIM2B4JRVFI33XUD}

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	2026-05-18T01:23:12.813584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

881fc528fd3f0c86683c4c6a546f77a0dc9db5d2416f83ddbc14175ad692ade8

Aliases

arxiv: 0906.5511 · arxiv_version: 0906.5511v2 · doi: 10.48550/arxiv.0906.5511 · pith_short_12: RAP4KKH5H4GI · pith_short_16: RAP4KKH5H4GIM2B4 · pith_short_8: RAP4KKH5

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/RAP4KKH5H4GIM2B4JRVFI33XUD \
  | 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: 881fc528fd3f0c86683c4c6a546f77a0dc9db5d2416f83ddbc14175ad692ade8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f96134cbcc761ab00b104f2fbe7fda19fcfa8aadb1c1e1763d4a8a16447ff9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-30T13:27:45Z",
    "title_canon_sha256": "4572bb59f7fc1bbb15f1993754427947601856838a54ccb755007eeee30bc31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5511",
    "kind": "arxiv",
    "version": 2
  }
}