Pith Number

pith:RTJWUTU6

pith:2001:RTJWUTU6C3355SXP57YDWCMJM3

not attested not anchored not stored refs pending

Modelling the uv/x-ray cosmic background with CUBA

Francesco Haardt (UNICO, Italy), Piero Madau (UCSC, USA)

arxiv:astro-ph/0106018 v1 · 2001-06-01 · 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{RTJWUTU6C3355SXP57YDWCMJM3}

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.

Cited by

2 papers in Pith

Columba: isolated dwarf galaxy populations in diverse cosmological environments simulated with a cold interstellar medium

Rapid sinking and efficient mergers of supermassive black holes in compact high-redshift galaxies

Receipt and verification

First computed	2026-07-04T14:11:17.375160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd36a4e9e16f7decaefeff03b098966e6c5816bbc165f291b86102dff87b38d

Aliases

arxiv: astro-ph/0106018 · arxiv_version: astro-ph/0106018v1 · doi: 10.48550/arxiv.astro-ph/0106018 · pith_short_12: RTJWUTU6C335 · pith_short_16: RTJWUTU6C3355SXP · pith_short_8: RTJWUTU6

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/RTJWUTU6C3355SXP57YDWCMJM3 \
  | 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: 8cd36a4e9e16f7decaefeff03b098966e6c5816bbc165f291b86102dff87b38d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "447b9ec63053e665929f7a5e44b96bfa2afbb661b1d2a8beec3b4b4a6268a58f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-01T12:45:54Z",
    "title_canon_sha256": "6dbcdec39ee09b7522c0259168f4fe85393f08c0e9577e63ed20d690b225b79d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106018",
    "kind": "arxiv",
    "version": 1
  }
}