Pith Number

pith:FB7HLFIQ

pith:2009:FB7HLFIQEO4G4NG4GUIJTMGZ7X

not attested not anchored not stored refs pending

Inflow and outflow from the accretion disc of the microquasar SS433: UKIRT spectroscopy

Katherine M. Blundell (University of Oxford), Sebastian Perez

arxiv:0904.4228 v1 · 2009-04-27 · 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{FB7HLFIQEO4G4NG4GUIJTMGZ7X}

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	2026-05-18T02:13:56.977015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

287e75951023b86e34dc351099b0d9fdcd2e556c93e43df7f5be92a68f57d2b2

Aliases

arxiv: 0904.4228 · arxiv_version: 0904.4228v1 · doi: 10.48550/arxiv.0904.4228 · pith_short_12: FB7HLFIQEO4G · pith_short_16: FB7HLFIQEO4G4NG4 · pith_short_8: FB7HLFIQ

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/FB7HLFIQEO4G4NG4GUIJTMGZ7X \
  | 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: 287e75951023b86e34dc351099b0d9fdcd2e556c93e43df7f5be92a68f57d2b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6e09698d00cf16f8f76454b2ae4415d56e8315f83c232070de7a17cfba2040",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-27T18:01:52Z",
    "title_canon_sha256": "321771d3b4b44ce45a382bc016b78c2fad47c3fa8ad5b1a0d88b780249916d80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4228",
    "kind": "arxiv",
    "version": 1
  }
}