Pith Number

pith:AFJDKUS3

pith:2018:AFJDKUS3MQ37WWTWQZ7M5HYDZ3

not attested not anchored not stored refs pending

A Long Serendipitous XMM-Newton Observation of the Intermediate Polar XY Ari

\c{S}\"olen Balman, Dicle Zengin \c{C}amurdan, Vadim Burwitz

arxiv:1804.04825 v1 · 2018-04-13 · 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{AFJDKUS3MQ37WWTWQZ7M5HYDZ3}

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	2026-05-18T00:18:34.862107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015235525b6437fb5a76867ece9f03cee0b79119381f020b17060ffc81f91eed

Aliases

arxiv: 1804.04825 · arxiv_version: 1804.04825v1 · doi: 10.48550/arxiv.1804.04825 · pith_short_12: AFJDKUS3MQ37 · pith_short_16: AFJDKUS3MQ37WWTW · pith_short_8: AFJDKUS3

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/AFJDKUS3MQ37WWTWQZ7M5HYDZ3 \
  | 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: 015235525b6437fb5a76867ece9f03cee0b79119381f020b17060ffc81f91eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d90807065729f6eed745b470b8673f77ce55b1dac1536b0588fb49d36401a26a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-13T08:07:20Z",
    "title_canon_sha256": "b53365a83b88cbc62b3bf3d16b880cc954a9b977782839ff03be2d328c2afeb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04825",
    "kind": "arxiv",
    "version": 1
  }
}