Pith Number

pith:2VSHZJQU

pith:2009:2VSHZJQUIHUOM6UKZYUDYJ25MF

not attested not anchored not stored refs pending

Spectral and timing evolution of GRO J1655-40 during its outburst of 2005

A. Nandi, D. Debnath, Sandip K. Chakrabarti, S. Mandal

arxiv:0902.3791 v2 · 2009-02-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VSHZJQUIHUOM6UKZYUDYJ25MF}

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	2026-05-18T04:34:46.985882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5647ca61441e8e67a8ace283c275d6158553ae7706e9a52b66494f3662b696a

Aliases

arxiv: 0902.3791 · arxiv_version: 0902.3791v2 · doi: 10.48550/arxiv.0902.3791 · pith_short_12: 2VSHZJQUIHUO · pith_short_16: 2VSHZJQUIHUOM6UK · pith_short_8: 2VSHZJQU

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/2VSHZJQUIHUOM6UKZYUDYJ25MF \
  | 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: d5647ca61441e8e67a8ace283c275d6158553ae7706e9a52b66494f3662b696a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9580f6d5f38a81b32de78f007f606334b5750574eeab4f8b7a47128e606a42cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-22T13:24:25Z",
    "title_canon_sha256": "edb6506b40b8725f93bd45e5d4213af1a8d52ed2d95db8666d2d8fe1a7a5646a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3791",
    "kind": "arxiv",
    "version": 2
  }
}