Pith Number

pith:7DKZ4UPQ

pith:2014:7DKZ4UPQEV4MDX6DOBJQBATL6I

not attested not anchored not stored refs pending

HLX-1 may be an SS433 system

Andrew King, Jean-Pierre Lasota

arxiv:1407.0557 v1 · 2014-07-02 · 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{7DKZ4UPQEV4MDX6DOBJQBATL6I}

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	2026-05-18T01:42:42.734633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8d59e51f02578c1dfc3705300826bf235a89a207728dd1c49849b177502baf4

Aliases

arxiv: 1407.0557 · arxiv_version: 1407.0557v1 · doi: 10.48550/arxiv.1407.0557 · pith_short_12: 7DKZ4UPQEV4M · pith_short_16: 7DKZ4UPQEV4MDX6D · pith_short_8: 7DKZ4UPQ

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/7DKZ4UPQEV4MDX6DOBJQBATL6I \
  | 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: f8d59e51f02578c1dfc3705300826bf235a89a207728dd1c49849b177502baf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd5de67ec27378936f303c20ef401725e19ae70625e5f89fe60b78659f452aff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-07-02T13:26:03Z",
    "title_canon_sha256": "215ab1bb4876a4754dc132aa5cfaeedde42585052b18adb2cd3d99cf8b989f9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0557",
    "kind": "arxiv",
    "version": 1
  }
}