Pith Number

pith:OBZQBHCQ

pith:2000:OBZQBHCQRNJ2NLFA3DBD5NZSYK

not attested not anchored not stored refs pending

The (anti)correlation of the sub-mm and X-ray background sources

P. Severgnini

arxiv:astro-ph/0005436 v1 · 2000-05-22 · 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{OBZQBHCQRNJ2NLFA3DBD5NZSYK}

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	2026-07-04T14:10:23.100453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163

Aliases

arxiv: astro-ph/0005436 · arxiv_version: astro-ph/0005436v1 · doi: 10.48550/arxiv.astro-ph/0005436 · pith_short_12: OBZQBHCQRNJ2 · pith_short_16: OBZQBHCQRNJ2NLFA · pith_short_8: OBZQBHCQ

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/OBZQBHCQRNJ2NLFA3DBD5NZSYK \
  | 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: 7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6bd302f1eeb256b3b78cdea55a64474c176369468c3312823789c1ea6179cbe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-22T17:00:39Z",
    "title_canon_sha256": "89e3ffae347a99bfc8676cb084250188d2c2e3b11744b2ff433dc674e5ccd6ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005436",
    "kind": "arxiv",
    "version": 1
  }
}