Pith Number

pith:P2EQMKVQ

pith:2000:P2EQMKVQYCUXEOLNNAY54NOIRK

not attested not anchored not stored refs pending

The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS sources with PSPC countrate CR > 0.2 s-1

A.D. Schwope, A. Ugryumov, G. Hasinger, H. Brunner, I. Lehmann, J. Truemper, R. Schwarz, S. Neizvestny, W. Voges, Yu. Balega

arxiv:astro-ph/0003039 v1 · 2000-03-03 · 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{P2EQMKVQYCUXEOLNNAY54NOIRK}

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	2026-07-04T15:51:09.254403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e89062ab0c0a972396d6831de35c88a9203a42556e7f9ec308a9462d293f641

Aliases

arxiv: astro-ph/0003039 · arxiv_version: astro-ph/0003039v1 · doi: 10.48550/arxiv.astro-ph/0003039 · pith_short_12: P2EQMKVQYCUX · pith_short_16: P2EQMKVQYCUXEOLN · pith_short_8: P2EQMKVQ

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/P2EQMKVQYCUXEOLNNAY54NOIRK \
  | 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: 7e89062ab0c0a972396d6831de35c88a9203a42556e7f9ec308a9462d293f641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4704a80e2f5237b421c6797d2ef9a95ed3f0a039508c95d91da056ea4ee94360",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-03T13:00:35Z",
    "title_canon_sha256": "497cd8b7a9749f77ac287e43a8f897bab941e73aff08d617fc95bf73d7ca2cc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003039",
    "kind": "arxiv",
    "version": 1
  }
}