Pith Number

pith:R5UGWSKD

pith:2015:R5UGWSKDRK5RENTT2YXG7EPKXT

not attested not anchored not stored refs pending

X-ray time lags and nonlinear variability in the ultraluminous X-ray sources NGC 5408 X-1 and NGC 6946 X-1

L. Hern\'andez-Garc\'ia, M. Middleton, S. Vaughan, T.P. Roberts

arxiv:1508.01328 v1 · 2015-08-06 · 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{R5UGWSKDRK5RENTT2YXG7EPKXT}

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	2026-05-18T01:32:59.402297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f686b49438abb123673d62e6f91eabce6ce213204259cd23a6f88175f7e7021

Aliases

arxiv: 1508.01328 · arxiv_version: 1508.01328v1 · doi: 10.48550/arxiv.1508.01328 · pith_short_12: R5UGWSKDRK5R · pith_short_16: R5UGWSKDRK5RENTT · pith_short_8: R5UGWSKD

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/R5UGWSKDRK5RENTT2YXG7EPKXT \
  | 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: 8f686b49438abb123673d62e6f91eabce6ce213204259cd23a6f88175f7e7021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99675d3d02193c033bd09f763082e706dae96c76d67cbd29ecb13bcf68533fb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-08-06T09:00:27Z",
    "title_canon_sha256": "6ca3fa92756394852fe8f489fb3ab4efa99289492c4fe58a958b264c3becbb94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01328",
    "kind": "arxiv",
    "version": 1
  }
}