Pith Number

pith:OSAYRTWT

pith:2018:OSAYRTWTK436CSMPGZ5VGH3X3Z

not attested not anchored not stored refs pending

Accretion geometry of the black-hole binary Cygnus X-1 from X-ray polarimetry

H.-G. Flor\'en, H. Tajima, H. Takahashi, J. Kataoka, M. Chauvin, M. Friis, M. Jackson, M. Kiss, M. Pearce, N. Ohashi, N. Uchida, T. Kamae, T. Kawano, T. Mizuno, T. Stana, V. Mikhalev

arxiv:1812.09907 v1 · 2018-12-24 · 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{OSAYRTWTK436CSMPGZ5VGH3X3Z}

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	2026-05-17T23:57:26.433763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748188ced35737e1498f367b531f77de760c0e997742e184e769cb398e2f8664

Aliases

arxiv: 1812.09907 · arxiv_version: 1812.09907v1 · doi: 10.48550/arxiv.1812.09907 · pith_short_12: OSAYRTWTK436 · pith_short_16: OSAYRTWTK436CSMP · pith_short_8: OSAYRTWT

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/OSAYRTWTK436CSMPGZ5VGH3X3Z \
  | 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: 748188ced35737e1498f367b531f77de760c0e997742e184e769cb398e2f8664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f68cc5cdd15a9a5369d407781f93f5ba898271d186adb424dcef20ad1e4dba32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-24T12:49:39Z",
    "title_canon_sha256": "2535b7ccbcf537a33172adfe6ce3e6b2eb9fed516ab48b3ffa6a0ff63fb95fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09907",
    "kind": "arxiv",
    "version": 1
  }
}