Pith Number

pith:KFW6W33S

pith:2009:KFW6W33SUU27SODTPQ44HCWKOE

not attested not anchored not stored refs pending

Following the 2008 outburst decay of the black hole candidate H1743-322 in X-ray and radio

D.T.H. Steeghs, E. Gallo, J. Homan, J. Miller-Jones, J. Tomsick, M.A.P. Torres, M. Rupen, P.G. Jonker, P. Kaaret, R.P. Fender, R. Wijnands, S. Markoff, W.H.G. Lewin

arxiv:0909.2632 v1 · 2009-09-14 · 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{KFW6W33SUU27SODTPQ44HCWKOE}

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	2026-05-18T02:11:47.988077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516deb6f72a535f938737c39c38aca712a613b81fa3c11dce96734a6d4bfa860

Aliases

arxiv: 0909.2632 · arxiv_version: 0909.2632v1 · doi: 10.48550/arxiv.0909.2632 · pith_short_12: KFW6W33SUU27 · pith_short_16: KFW6W33SUU27SODT · pith_short_8: KFW6W33S

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/KFW6W33SUU27SODTPQ44HCWKOE \
  | 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: 516deb6f72a535f938737c39c38aca712a613b81fa3c11dce96734a6d4bfa860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9367d66ab554b6b32f536e767b4f4e93d2b4cdcad1f13b9717bb4e5c1c49c8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-14T19:47:24Z",
    "title_canon_sha256": "046b15ae76649e12aafe4212c359dc76228295be816e64bbe3225bf2f8a4671f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2632",
    "kind": "arxiv",
    "version": 1
  }
}