Pith Number

pith:UYR3XAG6

pith:2026:UYR3XAG6SGLF44RHII427JVZVV

not attested not anchored not stored refs pending

Predictions for the X-ray polarisation modulation in Cygnus X-1 from reflection off the stellar companion and its wind

Bert Vander Meulen, Henric Krawczynski, Kun Hu, Victoria Grinberg

arxiv:2606.04159 v1 · 2026-06-02 · 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{UYR3XAG6SGLF44RHII427JVZVV}

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	2026-06-04T01:08:18.213910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a623bb80de91965e72274239afa6b9ad47233aced01cdeffca90f6a468c26850

Aliases

arxiv: 2606.04159 · arxiv_version: 2606.04159v1 · doi: 10.48550/arxiv.2606.04159 · pith_short_12: UYR3XAG6SGLF · pith_short_16: UYR3XAG6SGLF44RH · pith_short_8: UYR3XAG6

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/UYR3XAG6SGLF44RHII427JVZVV \
  | 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: a623bb80de91965e72274239afa6b9ad47233aced01cdeffca90f6a468c26850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599e3be58a683400345d6af6b026a2dedacffaa297412ebcf671841616cf8d8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-02T19:23:34Z",
    "title_canon_sha256": "b868799912ad2df507370b2d9278bd955e1dece6a3dcde54c4b520c198b98db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04159",
    "kind": "arxiv",
    "version": 1
  }
}