Pith Number

pith:2DH2F5MX

pith:2019:2DH2F5MX3APZY2MK5G7ZUXVSXH

not attested not anchored not stored refs pending

The X-ray binary GX 339-4/V821 Ara: the distance, inclination, evolutionary status and mass transfer

Andrzej A. Zdziarski, Janusz Zi\'o{\l}kowski, Joanna Miko{\l}ajewska

arxiv:1904.07803 v2 · 2019-04-16 · astro-ph.SR · 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{2DH2F5MX3APZY2MK5G7ZUXVSXH}

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	2026-05-17T23:41:08.999644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0cfa2f597d81f9c698ae9bf9a5eb2b9f502aae7b79c7603a11f2283c8c9b869

Aliases

arxiv: 1904.07803 · arxiv_version: 1904.07803v2 · doi: 10.48550/arxiv.1904.07803 · pith_short_12: 2DH2F5MX3APZ · pith_short_16: 2DH2F5MX3APZY2MK · pith_short_8: 2DH2F5MX

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/2DH2F5MX3APZY2MK5G7ZUXVSXH \
  | 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: d0cfa2f597d81f9c698ae9bf9a5eb2b9f502aae7b79c7603a11f2283c8c9b869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9266a80bb94b20fae01169a11dbd0bd4240806130295df317cce7259890672bf",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-16T16:35:35Z",
    "title_canon_sha256": "41b897a267a96d76109cf8c5ac33a03930dd79454450a854e50ef3ede02d1e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07803",
    "kind": "arxiv",
    "version": 2
  }
}