Pith Number

pith:4SFWNJGJ

pith:2019:4SFWNJGJZTR2RR3QFSRCSROLE6

not attested not anchored not stored refs pending

Variability in high-mass X-ray binaries

(2) ESA/ESTEC, 3), (3) U Tuebingen, (4) UMBC-CRESST, 5), (5) NASA/GSFC, (6) Remeis-Observatory & ECAP, (7) KU Leuven, (8) IFC U Cantabria), F. Fuerst (1), I. El Mellah (7), J. Wilms (6), K. Pottschmidt (4, M. Kuehnel (6), P. Kretschmar (1), S. Martinez-Nunez (8) ((1) ESA/ESAC, V. Grinberg (2

arxiv:1904.03628 v1 · 2019-04-07 · 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{4SFWNJGJZTR2RR3QFSRCSROLE6}

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	2026-05-17T23:46:17.902403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48b66a4c9cce3a8c7702ca22945cb27b980fe6a889fe40d46eb4e962e1c11bf

Aliases

arxiv: 1904.03628 · arxiv_version: 1904.03628v1 · doi: 10.48550/arxiv.1904.03628 · pith_short_12: 4SFWNJGJZTR2 · pith_short_16: 4SFWNJGJZTR2RR3Q · pith_short_8: 4SFWNJGJ

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/4SFWNJGJZTR2RR3QFSRCSROLE6 \
  | 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: e48b66a4c9cce3a8c7702ca22945cb27b980fe6a889fe40d46eb4e962e1c11bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d79c3239f50195c2d04785b69af38025ce6c79ea70681a964a61b5f3cb37198",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-07T11:45:36Z",
    "title_canon_sha256": "7a4c23f34943e327c626d2ee3ed0004c684148d1d6f1448511302681c1bbf202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03628",
    "kind": "arxiv",
    "version": 1
  }
}