Pith Number

pith:ASKVT2Q2

pith:2006:ASKVT2Q2BYV5OWVBHM5NJQWIQH

not attested not anchored not stored refs pending

The Lyman-alpha forest and WMAP year three

Antony Lewis, Martin G. Haehnelt, Matteo Viel

arxiv:astro-ph/0604310 v2 · 2006-04-13 · 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{ASKVT2Q2BYV5OWVBHM5NJQWIQH}

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	2026-07-04T15:53:58.405835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

049559ea1a0e2bd75aa13b3ad4c2c881f4bd941e0e77ff735d422fde01b598e6

Aliases

arxiv: astro-ph/0604310 · arxiv_version: astro-ph/0604310v2 · doi: 10.48550/arxiv.astro-ph/0604310 · pith_short_12: ASKVT2Q2BYV5 · pith_short_16: ASKVT2Q2BYV5OWVB · pith_short_8: ASKVT2Q2

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/ASKVT2Q2BYV5OWVBHM5NJQWIQH \
  | 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: 049559ea1a0e2bd75aa13b3ad4c2c881f4bd941e0e77ff735d422fde01b598e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56a00998b8c73e268e085df46a75a638e8fb6c28b8da1f5038064aefe62f3acb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-13T18:45:47Z",
    "title_canon_sha256": "b87cd281aabcf5350e121bb9d8a936bc02c87ed6095bdb82b3df0c094732accd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604310",
    "kind": "arxiv",
    "version": 2
  }
}