Pith Number

pith:KLK3OQ52

pith:2021:KLK3OQ52PZ7HB43ZF5RU4KKASS

not attested not anchored not stored refs pending

The impact of precession on the observed population of ULXs

Grzegorz Wiktorowicz, Joern Wilms, Matthew. J. Middleton, Norman Khan, Thomas Dauser, Timothy P. Roberts

arxiv:2110.11318 v1 · 2021-10-21 · 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{KLK3OQ52PZ7HB43ZF5RU4KKASS}

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	2026-07-05T03:28:28.672079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52d5b743ba7e7e70f3792f634e2940948754e76225639efaeddebeed0626d743

Aliases

arxiv: 2110.11318 · arxiv_version: 2110.11318v1 · doi: 10.48550/arxiv.2110.11318 · pith_short_12: KLK3OQ52PZ7H · pith_short_16: KLK3OQ52PZ7HB43Z · pith_short_8: KLK3OQ52

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/KLK3OQ52PZ7HB43ZF5RU4KKASS \
  | 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: 52d5b743ba7e7e70f3792f634e2940948754e76225639efaeddebeed0626d743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1166048cab6622864cc17251645e59482f69588b552efd1c000c3369cade64b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-21T17:51:41Z",
    "title_canon_sha256": "10e819b47954946e0626dbd08714b0964e648d074263ca0572457974fbed0b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11318",
    "kind": "arxiv",
    "version": 1
  }
}