Pith Number

pith:2XERJCCH

pith:1999:2XERJCCHMF73476ICJQWRSFX5W

not attested not anchored not stored refs pending

A BeppoSAX observation of the massive X-ray binary 4U1700-37

(2) Astron Institute `Anton Pannekoek' (3) IFCAI), A.N. Parmar (1), A. Owens (1), A.P. Reynolds (1), A. Segreto(3) ((1) ESA/ESTEC, L. Kaper(2)

arxiv:astro-ph/9904349 v1 · 1999-04-26 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XERJCCHMF73476ICJQWRSFX5W}

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.

Cited by

1 paper in Pith

Studying the Variable Continuum and Emission Line Spectrum of 4U 1700-377 using NuSTAR's Stray Light

Receipt and verification

First computed	2026-07-04T14:16:41.005142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5c9148847617fbe7fc8126168c8b7edb2354f818568ef8ad96eca24b7eab7e2

Aliases

arxiv: astro-ph/9904349 · arxiv_version: astro-ph/9904349v1 · doi: 10.48550/arxiv.astro-ph/9904349 · pith_short_12: 2XERJCCHMF73 · pith_short_16: 2XERJCCHMF73476I · pith_short_8: 2XERJCCH

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/2XERJCCHMF73476ICJQWRSFX5W \
  | 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: d5c9148847617fbe7fc8126168c8b7edb2354f818568ef8ad96eca24b7eab7e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28255481b733fa706c70ff8ea97a9b75773a74d78584dcc7e13dcad90b6d1b3d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-26T06:29:50Z",
    "title_canon_sha256": "99ed80b1e66ade55f2134c97d2de1bb79bffeec810db478a32af36d65d0d4dc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904349",
    "kind": "arxiv",
    "version": 1
  }
}