Pith Number

pith:A64IU6AN

pith:2002:A64IU6AN5KCVEBDNWENDXUUAZE

not attested not anchored not stored refs pending

Modelling the IGM and the Lyalpha forest at high redshift from the dark matter distribution

2, 3), Cambridge), Garching (3) IoA, H.J. Mo (2), M.G. Haehnelt (3) ((1) Dip. di Fisica, M. Viel (1, Padova (2) MPA, S. Matarrese (1), Tom Theuns (3)

arxiv:astro-ph/0203418 v2 · 2002-03-23 · 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{A64IU6AN5KCVEBDNWENDXUUAZE}

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	2026-05-18T04:17:53.849745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b88a780dea8552046db11a3bd280c93e641fc7d9e3f432dc610cc5f62980c1

Aliases

arxiv: astro-ph/0203418 · arxiv_version: astro-ph/0203418v2 · doi: 10.48550/arxiv.astro-ph/0203418 · pith_short_12: A64IU6AN5KCV · pith_short_16: A64IU6AN5KCVEBDN · pith_short_8: A64IU6AN

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/A64IU6AN5KCVEBDNWENDXUUAZE \
  | 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: 07b88a780dea8552046db11a3bd280c93e641fc7d9e3f432dc610cc5f62980c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925942019ed63888a80df0eeef079a109c6ad24b02df1eb703b044a1d220ef7e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-23T19:17:36Z",
    "title_canon_sha256": "6b0f1cb46d62f455f3858cc746056a588ed796442557557313644ee7c2e8480c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203418",
    "kind": "arxiv",
    "version": 2
  }
}