Pith Number

pith:3NCPSU2K

pith:2010:3NCPSU2KOLLUBZV4JDPT2XPIFN

not attested not anchored not stored refs pending

A study of spectral and timing properties of Cyg X-1 based on a large sample of pointed RXTE observations

Andrzej A. Zdziarski, Chris Done, Marek Gierlinski

arxiv:1011.5840 v1 · 2010-11-26 · 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{3NCPSU2KOLLUBZV4JDPT2XPIFN}

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	2026-05-18T04:08:13.554780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db44f9534a72d740e6bc48df3d5de82b58df076fc964380abaf1728f4b59de11

Aliases

arxiv: 1011.5840 · arxiv_version: 1011.5840v1 · doi: 10.48550/arxiv.1011.5840 · pith_short_12: 3NCPSU2KOLLU · pith_short_16: 3NCPSU2KOLLUBZV4 · pith_short_8: 3NCPSU2K

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/3NCPSU2KOLLUBZV4JDPT2XPIFN \
  | 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: db44f9534a72d740e6bc48df3d5de82b58df076fc964380abaf1728f4b59de11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a7e6ee400b8ae76f1e41ede87d351d855de55fdf31c0d6e57fcf41b9d6bc2a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-11-26T17:07:55Z",
    "title_canon_sha256": "6fc87ff630e19b7115fafb94d5b93ec492be442ecb04faab321111706a953ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5840",
    "kind": "arxiv",
    "version": 1
  }
}