Pith Number

pith:2RDE4Y3U

pith:2003:2RDE4Y3UNXPP3FTCB4PSWB3CC3

not attested not anchored not stored refs pending

Simulating the high-redshift universe in the sub-mm

Eelco van Kampen

arxiv:astro-ph/0310297 v1 · 2003-10-10 · 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{2RDE4Y3UNXPP3FTCB4PSWB3CC3}

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	2026-05-18T00:47:43.740293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4464e63746ddefd96620f1f2b076216da66d47d520d7b675283e96d7633bfb6

Aliases

arxiv: astro-ph/0310297 · arxiv_version: astro-ph/0310297v1 · doi: 10.48550/arxiv.astro-ph/0310297 · pith_short_12: 2RDE4Y3UNXPP · pith_short_16: 2RDE4Y3UNXPP3FTC · pith_short_8: 2RDE4Y3U

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/2RDE4Y3UNXPP3FTCB4PSWB3CC3 \
  | 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: d4464e63746ddefd96620f1f2b076216da66d47d520d7b675283e96d7633bfb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d206996506b4a91f2c5a69cb70b16a7ff89e98f23c72b824efa16e9a846cdf07",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-10T15:24:56Z",
    "title_canon_sha256": "972adf7c98eab7baf7ebca8a5067e8e9b6b828c75d86e7c114bc81a87f3b30e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310297",
    "kind": "arxiv",
    "version": 1
  }
}