Pith Number

pith:236OKROA

pith:2004:236OKROAIVWYODZ6KVSPU35OQA

not attested not anchored not stored refs pending

A puzzling event during the X-ray emission of the binary system GX 1+4

Alberto Segreto (CNR, Gian Luca Israel (INAF-OAR), Giorgio Matt (Univ. Rome3), Luigi Stella (INAF-OAR), Nanda Rea (INAF-OAR; SRON), PA), Silvia Zane (MSSL), Tim Oosterbroek (ESTEC)

arxiv:astro-ph/0409626 v3 · 2004-09-27 · 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{236OKROAIVWYODZ6KVSPU35OQA}

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	2026-05-18T01:40:35.050635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6fce545c0456d870f3e5564fa6fae80161533aa2601b9f4f924d71a7b6d60a8

Aliases

arxiv: astro-ph/0409626 · arxiv_version: astro-ph/0409626v3 · doi: 10.48550/arxiv.astro-ph/0409626 · pith_short_12: 236OKROAIVWY · pith_short_16: 236OKROAIVWYODZ6 · pith_short_8: 236OKROA

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/236OKROAIVWYODZ6KVSPU35OQA \
  | 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: d6fce545c0456d870f3e5564fa6fae80161533aa2601b9f4f924d71a7b6d60a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b4cc25ccafe9a60f97e1668aa34d1ed759760baf939abd444ceef2bd7e64a2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-27T11:01:31Z",
    "title_canon_sha256": "3dd6e995606c32c4b1952f4a9a9d08e219363bb4a2b8a7a98a53927550700676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409626",
    "kind": "arxiv",
    "version": 3
  }
}