Pith Number

pith:BP3VD3B2

pith:2009:BP3VD3B26EO4RWKQMN2JJWX2WH

not attested not anchored not stored refs pending

QPO Evolution in 2005 Outburst of the Galactic Nano Quasar GRO J1655-40

A. Nandi, D. Debnath, P.S. Pal, S.K. Chakrabarti

arxiv:0903.1328 v1 · 2009-03-09 · 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{BP3VD3B26EO4RWKQMN2JJWX2WH}

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	2026-05-18T04:33:40.012518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf751ec3af11dc8d950637494dafab1c9ede6a918c35a6be8f9302758299318

Aliases

arxiv: 0903.1328 · arxiv_version: 0903.1328v1 · doi: 10.48550/arxiv.0903.1328 · pith_short_12: BP3VD3B26EO4 · pith_short_16: BP3VD3B26EO4RWKQ · pith_short_8: BP3VD3B2

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/BP3VD3B26EO4RWKQMN2JJWX2WH \
  | 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: 0bf751ec3af11dc8d950637494dafab1c9ede6a918c35a6be8f9302758299318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a6b7466f6cd7b84f339a4fb74ac1efc6be44dc6f5d8046383f356158451394",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-09T12:34:58Z",
    "title_canon_sha256": "43ab75305d9115cdf13ce9a3de697b4d2afcdc5c41ebb91f9d2fd3b328cc75a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1328",
    "kind": "arxiv",
    "version": 1
  }
}