Pith Number

pith:KMW3D6JA

pith:2022:KMW3D6JAZTVXWRUUWRYVZT7N4H

not attested not anchored not stored refs pending

Radius Constraints from Reflection Modeling of Cygnus X-2 with NuSTAR and NICER

A. C. Fabian, A. L. Stevens, D. Chakrabarty, D. J. K. Buisson, E. M. Cackett, J. A. Garc\'ia, J. Homan, J. M. Miller, M. Ng, R. M. Ludlam, S. Guillot

arxiv:2201.11767 v1 · 2022-01-27 · 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{KMW3D6JAZTVXWRUUWRYVZT7N4H}

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	2026-07-05T04:04:02.812787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

532db1f920cceb7b4694b4715ccfede1dbec13482a49f3e37a947d5affa16f21

Aliases

arxiv: 2201.11767 · arxiv_version: 2201.11767v1 · doi: 10.48550/arxiv.2201.11767 · pith_short_12: KMW3D6JAZTVX · pith_short_16: KMW3D6JAZTVXWRUU · pith_short_8: KMW3D6JA

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/KMW3D6JAZTVXWRUUWRYVZT7N4H \
  | 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: 532db1f920cceb7b4694b4715ccfede1dbec13482a49f3e37a947d5affa16f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02af844d01dbe675fcdaa5feee82e3c54f63d0597b002a3f1a0798a47eed585e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-27T19:13:49Z",
    "title_canon_sha256": "3e7469a805a97402a84c03e24c898ddc3678ce2401e080327e554fa97bc26db6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11767",
    "kind": "arxiv",
    "version": 1
  }
}