Pith Number

pith:Z2LMGNQV

pith:2018:Z2LMGNQVJDCI2KAMQJJC2SOMQQ

not attested not anchored not stored refs pending

The nature of X-ray spectral variability in SWIFT J2127.4+5654

E. S. Kammoun, I. E. Papadakis

arxiv:1807.11445 v1 · 2018-07-30 · 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{Z2LMGNQVJDCI2KAMQJJC2SOMQQ}

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	2026-05-18T00:08:37.521540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce96c3361548c48d280c82522d49cc84230d1eb1c4811c40197a19699863cff0

Aliases

arxiv: 1807.11445 · arxiv_version: 1807.11445v1 · doi: 10.48550/arxiv.1807.11445 · pith_short_12: Z2LMGNQVJDCI · pith_short_16: Z2LMGNQVJDCI2KAM · pith_short_8: Z2LMGNQV

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/Z2LMGNQVJDCI2KAMQJJC2SOMQQ \
  | 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: ce96c3361548c48d280c82522d49cc84230d1eb1c4811c40197a19699863cff0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3996e7818ddd0bbdd13878510c6880ae1d7cbcbe0109d82502e9c768d3308fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-30T17:00:02Z",
    "title_canon_sha256": "04c11d32452605b2fbe269feae2135911d1ee8cfbfaa31758ffa2bba89e39f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11445",
    "kind": "arxiv",
    "version": 1
  }
}