Pith Number

pith:4JCLQONC

pith:2000:4JCLQONCI3EM23VIZ5BIUSIVY4

not attested not anchored not stored refs pending

Bubbles from dark energy ?

Jochen Weller

arxiv:astro-ph/0004096 v1 · 2000-04-07 · 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{4JCLQONCI3EM23VIZ5BIUSIVY4}

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	2026-05-18T01:00:31.899361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e244b839a246c8cd6ea8cf428a4915c7185538ea1e37c840275e4e03582bbbfc

Aliases

arxiv: astro-ph/0004096 · arxiv_version: astro-ph/0004096v1 · doi: 10.48550/arxiv.astro-ph/0004096 · pith_short_12: 4JCLQONCI3EM · pith_short_16: 4JCLQONCI3EM23VI · pith_short_8: 4JCLQONC

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/4JCLQONCI3EM23VIZ5BIUSIVY4 \
  | 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: e244b839a246c8cd6ea8cf428a4915c7185538ea1e37c840275e4e03582bbbfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23cf694b07eca74fe50e0cc3016ceb7f64bc198b2820d68811af72960452b341",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-04-07T00:55:11Z",
    "title_canon_sha256": "2a9915441846cffaf8ef212cca46e18da07200ebef8d29c32d17373cb9522c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0004096",
    "kind": "arxiv",
    "version": 1
  }
}